Pushing Up Lillies
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  • Julie Mattson
  • April 8, 2026April 8, 2026
  • Podcast

Pedro Rodrigues Filho: The Man Who Killed Killers

Hey y’all, it’s Julie Mattson, and in this episode of Pushing Up Lilies, I’m taking you into one of the most complex and controversial cases I’ve ever explored, the story of Pedro Rodrigues Filho, also known as the Brazilian “Dexter”. This is not your typical serial killer case. Pedro didn’t just target innocent victims, he claimed to hunt criminals. Murderers. People he believed deserved to die. Over the course of his life, he confessed to dozens of killings, many of them carried out inside prison walls. And somehow, instead of fading into obscurity, he later reemerged as a public figure, sharing his story openly, even building a following online. But here’s the question that sits at the center of this case… Was he a vigilante delivering his own version of justice?Or simply a serial killer rewriting his narrative? In this episode, I walk through his early life, the violence that shaped him, and the psychology behind someone who blurs the line between revenge and murder. As a forensic death investigator, I also look at what cases like this reveal about motive, trauma, and the dangerous territory between justice and personal vengeance. Because when someone decides who deserves to live or die…we have to ask, where does that end? This episode contains discussions of violence, homicide, and moral ambiguity. * Listener discretion is advised. EPISODE TRANSCRIPT: 00:06   Welcome to Pushing Up Lilies. I’m your host, Julie Mattson. Pushing Up Lilies is a weekly true crime podcast with spine-tingling, unusual, and terrifyingly true stories from my perspective as a forensic death investigator and a sexual assault nurse examiner.   00:24   Do I have some stories for you? Are you ready? Hey guys, welcome to another episode of Pushing Up Lily’s. My name is Julie. Again, I’m your host, and I have my voice back, I think, almost completely.   00:40   I may be still a little bit squeaky, but hopefully you can tolerate me this time. Super excited leaving Friday to go to Beyond the Crime, which is a true crime convention. And it happens April 11th and 12th in Albuquerque.   00:59   And it’s going to feature advocacy for families of the missing and also feature several podcasts. While I’m there, I will be part of the podcast Mingle, which is the first night we’re there. We’re going to get to visit a lot of the guests and the guests will get to meet all the podcasters that are there.   01:20   And we’ll be selling our merch at the merch tables. And then on Sunday, I will be doing a live podcast on the podcasting stage. So super exciting. We’re really gung-ho on going. We decided to fly. So I’m going to have luggage full of merchandise and I just hope I can get it all in there.   01:40   It’ll be fun. We’re really excited to go. This is our first event. And so traveling out of state is a really big deal for us. And so I’m looking forward to this and hoping for many more. I’ll be attending CrimeCon at the end of May.   01:54   And that’s an even bigger event. But I’m excited about this. There will be attention brought to some missing persons cases and some of the keynote speakers. Super interesting. There’s over 30 guest speakers, including the mothers of Gabby Petito and also the death row defense attorney for John Wayne Gacy.   02:19   It’s going to be interesting. It is ticketed. I’m excited. So I’d like to see who’s going. And if you are going, I would love for you to stop by and visit. I want to talk to you this week about the man who killed killers.   02:34   And I don’t know if y’all have heard this story before, but a lot of killers become infamous because of the number of people that they kill. But a lot of them become notorious because of how cruel or unpredictable their crimes are.   02:50   Ever so often, a criminal will emerge whose story unsettles people in a different way. And that’s not because the violence is random, but because it seems, at least on the surface, intentional and targeted.   03:06   Now, Pedro Rodriguez Filho was one of those men. Over the course of his life, he would kill at least 70 people. Some stories state that there were at least 100, but possibly more than 100. And many of his victims were criminals themselves, drug dealers, rapists, murderers.   03:28   And because of that, some people saw him not as a monster, but as a vigilante. Others believed he was simply a killer who tried to justify his actions with some sort of twisted moral code. But either way, his story would eventually earn him a nickname that echoed around the world as the real life Dexter.   03:50   And many of you know about Dexter. Dexter aired from 2006 to 2013. It was set in Miami and it was centered on Dexter Morgan. And he was a forensic technician who specialized in bloodstain pattern analysis for a fictional police department.   04:08   And he led a secret parallel life as a vigilante serial killer. And he hunted down murderers who really weren’t adequately punished by the justice system. So this is the real life Dexter. Now, what makes this story so disturbing is not really just the number of people that he killed, but the way violence kind of shaped every stage of his life.   04:35   From the moment he was born, brutality surrounded him. It was present in his home, in his relationships, in his decisions, and then ultimately in his identity. To understand how Pedro became one of the most feared criminals in Brazil, we have to really begin at the beginning.   04:56   Before his first crime and before his first arrest and even before his

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  • Julie Mattson
  • April 1, 2026April 1, 2026
  • Podcast

Walter Carl Kenney: Twice a John Doe

Hey y’all, it’s Julie Mattson! In this episode of Pushing Up Lilies, I’m diving into one of the most unusual and haunting cases I’ve come across in years, a case where one man was identified not once… but twice. It starts with a simple walk along a Northern California beach, where a family discovers a human bone in the sand. What follows is a forensic journey that stretches back decades, connecting that bone to Walter Carl Kenney, a man who disappeared in 1999 and had already been identified years earlier from different remains. As a forensic death investigator, I walk you through the timeline, the science, and the unsettling reality of how this case unfolded. From partial remains and surgical hardware to the incredible role of forensic genealogy, this story challenges everything we think we know about identification, closure, and what it means to truly “solve” a case. But even with a name… we’re still left with the biggest question of all: what actually happened to him? This episode discusses partial remains, unresolved loss, and the complexities of cases shaped by time, distance, and the unpredictable power of the ocean. It’s not just a mystery, it’s a reminder that sometimes, even when we find answers, they come in fragments. * Listener discretion is advised. EPISODE TRANSCRIPT: 00:06   Welcome to Pushing Up Lilies. I’m your host, Julie Mattson. Pushing Up Lilies is a weekly true crime podcast with spine-tingling, unusual, and terrifyingly true stories from my perspective as a forensic death investigator and a sexual assault nurse examiner.   00:24   Do I have some stories for you? Are you ready? Hey guys, welcome to another episode of Pushing Up Lilies. I’m your host, Julie Matson, and I am starting to get my voice back, but I’m still super squeaky.   00:42   I had to go to the doctor today, and I have a sinus infection. It’s weird because everybody got this crap from me, and then they’re all well now, and I’m still hanging on to it. So it’s been about three weeks.   00:55   Now I’m on Augmentin and Flonase, and then I had to get some of my shots for school. So yeah, not a fun day for me. Trying to get over it. A little short of breath when I start coughing, but I feel fine.   01:10   It’s so weird. I think a big part of it is allergies. I can’t even tell you how excited I am to be going to be on the crumb next weekend. Or actually, it’s the 10th. So I’ve got 10 days. But I’m so excited.   01:27   I’m starting to get my merch in. I ordered t-shirts, hoodies. I have tumblers. I have tote bags. I have lapel pins. It’s so fun. And I’m just looking forward to meeting a lot of true crime lovers there.   01:46   So if you’re going, give me a shout out. Definitely like to meet you. I wanted to talk this week about a different kind of story, Twice a John Doe. And this is kind of one that I’m excited to kind of input what I have to offer as a forensic death investigator because there’s a lot of things with this story that are super interesting.   02:14   You’ll see what I’m talking about. But just imagine a family is walking a Northern California beach doing something that’s pretty ordinary, looking for shells, watching the surf, letting the afternoon move slow.   02:29   And then they see a long bone sticking out of the sand. It’s not driftwood. It’s not a branch. It’s a human bone. And attached to it is surgical hardware. The beach is Salmon Creek. It’s in Sonoma County, California.   02:47   And we’re looking at June 17th, 2022. At first, of course, there’s no name attached to this leg bone. It’s just another entry in the ledger of unidentified dead people. But nearly four years later, forensic genealogy actually gives that bone a name.   03:07   And that is Walter Carl Kenney. He is a former banker from Santa Rosa who had been missing since 1999. Now, what makes this story even stranger is that this is not the first time that Walter Kinney had become a John Doe.   03:25   It was the second. This is twice John Doe. The story of a man who disappeared, the ocean that returned him in pieces, and the forensic science that finally linked two mysteries into one. This is kind of interesting because, you know, in the death investigation world, when bones are found, no one really gets to make the decision as to whether or not they’re human except our forensic anthropologists at the medical examiner’s office.   03:59   Many times when I worked there, we would send them pictures of bones if bones were found, and the doctor had to determine whether or not they were human. And many times they weren’t, but many times they were.   04:14   And sometimes to the normal person like you and I, it wouldn’t be obvious. I mean, unless it’s like a skull or something like that. So today’s episode is about one of the strangest cold case identifications I’ve come across in years.   04:31   It has all the elements of a classic unsolved mystery. Missing man, dangerous coastline, partial remains, family distance, years of uncertainty, and eventual breakthrough through DNA. But what sets us apart is the shape of the timeline.   04:51   Because in this case, the man at the center of the story appears to be, to have been identified and then identified again. And it’s not because investigators made a mistake the first time. It’s not because there were two different men, but because the Pacific Ocean kept giving the case back.   05:12   Now, before I go further, this episode discusses partial human remains, disappearance, alcoholism, incarceration, estrangement,

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  • Julie Mattson
  • March 25, 2026March 25, 2026
  • Podcast

A Case That Still Hurts: Revisiting Aubreigh Wyatt’s Story

Hey y’all, it’s Julie Mattson… and today we’re revisiting a case that still sits heavy on my heart. In this episode of Pushing Up Lilies, I’m talking about thirteen-year-old Aubreigh Wyatt, a young girl whose life ended far too soon after enduring relentless bullying. We’re going to walk through her story together, not just to understand what happened, but to really look at the deeper impact bullying can have on someone’s life… especially at such a vulnerable age. I’ll share some of the signs that often go unnoticed, why open communication matters so much, and what we can all do to help protect the people around us, especially our kids. This one’s tough, y’all… but it’s important. Because sometimes the hardest conversations are the ones that can make the biggest difference. So if you’re listening today, I’m really glad you’re here. Let’s talk about it. * Listener discretion is advised. EPISODE TRANSCRIPT: 0:06 Welcome to Pushing Up Lilies. 0:08 I’m your host, Julie Mattson. 0:10 Pushing Up Lilies is a weekly True Crime podcast with spine tingling, unusual and terrifyingly true stories from my perspective as a forensic death investigator and a sexual assault nurse examiner. 0:24 Do I have some stories for you? 0:26 Are you ready? 0:31 Hey, y’all, I hope everybody is having a great week. 0:34 Our weather in Texas has been amazing. 0:38 It hasn’t been as hot as it was earlier in the month, which kind of surprises me, but we’ll be going to North Dakota soon at the end of the month. 0:47 I’m looking forward to the weather there. 0:49 I think it’s normally like in the seventies, we’re going to go to South Dakota and North Dakota. 0:55 But first I have a death investigation conference. 0:59 It’s the International Association of Coroners and Medical Examiners. 1:05 They have a training symposium every year and it’s in Vegas. 1:11 We go, well, we alternate in our office. 1:14 The investigators kind of take turns going because we have to get continuing education just like you have to in a lot of different career fields. 1:25 And it’s interesting, we hear a lot of really cool stories from a lot of investigators and pathologists all over the US or all over the world actually, to hear stories about deaths that occur in ways that we don’t really get to experience in our county. 1:44 For example, we had someone from Louisiana talking about alligator deaths after Katrina. 1:54 You know, we don’t have, well, I’m not going to say we don’t have alligators in Texas. 1:58 There have been a lot of pictures of huge alligators seen in Texas and seen in Texas Lakes. 2:06 But, as of yet, we in our county have not had an alligator related death, but to hear like deaths related to shark attacks, which, you know, we don’t have any oceans in Denton. 2:20 And so we have not experienced that. 2:23 And so it’s just interesting because certain parts of the country have deaths that we’ll probably never see here. 2:31 It’s interesting to see how they handle them. 2:34 And we get to see the photos too which I know may seem morbid, but I don’t know, I just, we really learn a lot. 2:43 It’s great to network and to get to know people. 2:48 I met some women at the conference in Atlanta when I went to the Child death investigation training that are going to be in Vegas. 2:55 I’m looking forward to seeing them again. 2:58 It’s fun. 2:59 It’s definitely a community kind of like, you know, firefighters and police officers, we are our own community, and we are filled with different people. 3:11 I absolutely love it. 3:12 I am looking forward to that conference as well and that is coming up. 3:17 We’ll be gone next week, and they have a lot of events for us. 3:21 A lot of fun things. 3:23 And I also occasionally I think the last time I went, I got to see a couple of doctors I used to work with in Houston. 3:30 It’s kind of like a reunion of sorts. 3:32 That’ll be a lot of fun. 3:35 I was at work yesterday and I wanted to kind of tell you all about part of my day. 3:42 It’s humbling to say the least. 3:44 But this is what I dislike. 3:48 I think the most about this career field. 3:52 And I think a lot of people will agree having to notify family of a death. 4:00 It’s always been the hardest part for me. 4:03 I know that I just always kind of imagine myself on the other end of the conversation. 4:09 And I’m sure that, you know, a lot of people when we have to do this question, whether or not we are, who we say we are. 4:19 A lot of people initially think that it’s a joke or that we’re kidding or it’s not possible, but I do not like calling people to tell them that their loved one has passed away. 4:33 We don’t like to do that. 4:35 We will typically go to the residence and tell them with an officer, but in this case, it was out of county, and I wasn’t able to or in these two cases, and I didn’t have addresses. 4:47 I didn’t know where to go. 4:50 Sometimes the urgency is of course, letting the family know as soon as possible. 4:56 In one of the cases, the gentleman was transported there from a public facility. 5:05 And so his wife did not know. If it happens to someone at home, obviously, you know, normally their family is going to find him. 5:13 But in this particular case, he was at a public venue and was found unresponsive and was transported to the hospital. 5:21 She did not know I did not have a

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  • Julie Mattson
  • March 18, 2026March 18, 2026
  • Podcast

The Layover Mystery: Flight Attendant Diana Ramos

In this episode of Pushing Up Lilies, we take a look at two very recent cases that highlight the severe consequences of toxic relationships and senseless violence. First, we’ll explore the tragic story of the missing Georgia firefighters who were found dead after trying to end a toxic relationship. The details of their disappearance and subsequent discovery reveal the dark side of relationships gone horribly wrong.

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  • Julie Mattson
  • March 11, 2026March 11, 2026
  • Podcast

The Cleveland Suitcase Murders

In this episode of Pushing Up Lilies, we take a look at two very recent cases that highlight the severe consequences of toxic relationships and senseless violence. First, we’ll explore the tragic story of the missing Georgia firefighters who were found dead after trying to end a toxic relationship. The details of their disappearance and subsequent discovery reveal the dark side of relationships gone horribly wrong.

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  • Julie Mattson
  • March 4, 2026March 4, 2026
  • Podcast

When a Water Bottle Becomes a Weapon

In this episode of Pushing Up Lilies, we take a look at two very recent cases that highlight the severe consequences of toxic relationships and senseless violence. First, we’ll explore the tragic story of the missing Georgia firefighters who were found dead after trying to end a toxic relationship. The details of their disappearance and subsequent discovery reveal the dark side of relationships gone horribly wrong.

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  • Julie Mattson
  • February 25, 2026February 25, 2026
  • Podcast

What Happened to Isadora Wengel?

On this episode of Pushing Up Lilies, we’re delving into the twisted tale of David Tronnes, a Florida man whose obsession with home renovations and dreams of reality TV stardom ended in murder.

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  • Julie Mattson
  • February 18, 2026February 18, 2026
  • Podcast

Brittany Furr Storms: Buried in Silence

On this episode of Pushing Up Lilies, we’re delving into the twisted tale of David Tronnes, a Florida man whose obsession with home renovations and dreams of reality TV stardom ended in murder.

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  • Julie Mattson
  • February 11, 2026February 11, 2026
  • Podcast

The Call That Never Came

On this episode of Pushing Up Lilies, we’re delving into the twisted tale of David Tronnes, a Florida man whose obsession with home renovations and dreams of reality TV stardom ended in murder.

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True Crime Club

Hi everyone! I’m Julie Mattson, and I’d love for you to join me for True Crime Club: Case #1 – Meet & Greet Night, an evening where mystery meets community. We’ll be sipping crafted cocktails, diving into compelling cases, and pouring over the evidence together with fellow true crime fans. I’m excited to meet you in person and share behind-the-scenes insight from my work as a forensic nurse death investigator, along with stories from my Pushing Up Lilies podcast. Whether you’ve been listening for a while or you’re brand new to true crime, this night is all about connection, conversation, and curiosity in a relaxed, intimate setting. Come have a drink with me, talk cases, and spend the evening surrounded by people who love true crime as much as we do. ✨ Crafted Drinks. Compelling Cases. ☕ Pour Over the Evidence. 🎟 Seating is limited — arrive early and settle in. I can’t wait to see you there. 👀 This is just the beginning… future cases coming soon!

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Pushing Up Lilies

Pushing Up Lilies
Pushing Up Lilies

Dissect the science behind some of the most spine-tingling, unusual and terrifyingly true crime stories with Julie Mattson, a seasoned Forensic Nurse Death Investigator in this gripping weekly podcast.

Julie’s unique approach to investigations is informed by her background in nursing, which allows her to provide an in-depth analysis of the medical intricacies and physiological aspects of each case.

With her compassionate storytelling and unwavering dedication to uncovering the truth, Julie takes you on a thrilling journey into the world of forensic science, shining a light on the intersection of medicine, justice and criminal investigation.

In “Pushing Up Lilies,” Julie’s expert medical analysis will captivate your imagination and challenge your understanding of the human body’s role in solving the most complex and enigmatic criminal case.

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Pedro Rodrigues Filho: The Man Who Killed Killers
byJulie Mattson

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Pedro Rodrigues Filho: The Man Who Killed Killers
Pedro Rodrigues Filho: The Man Who Killed Killers
April 8, 2026
Julie Mattson
Walter Carl Kenney: Twice a John Doe
April 1, 2026
Julie Mattson
A Case That Still Hurts: Revisiting Aubreigh Wyatt’s Story
March 25, 2026
Julie Mattson
The Layover Mystery: Flight Attendant Diana Ramos
March 18, 2026
Julie Mattson
The Cleveland Suitcase Murders
March 11, 2026
Julie Mattson
When a Water Bottle Becomes a Weapon
March 4, 2026
Julie Mattson
What Happened to Isadora Wengel?
February 25, 2026
Julie Mattson
Brittany Furr Storms: Buried in Silence
February 18, 2026
Julie Mattson
The Call That Never Came
February 11, 2026
Julie Mattson
Cabin 28: The Keddie Murders
February 4, 2026
Julie Mattson
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Pushing Up Lilies is a weekly true crime podcast with spine-tingling, unusual, terrifyingly true stories with a forensic twist, hosted by Julie Mattson.

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Pushing Up Lilies is a weekly true crime podcast with spine-tingling, unusual, terrifyingly true stories with a forensic twist, hosted by Forensic Nurse Death Investigator, Julie Mattson.

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Recent Episodes

Pedro Rodrigues Filho: The Man Who Killed Killers

Walter Carl Kenney: Twice a John Doe

A Case That Still Hurts: Revisiting Aubreigh Wyatt’s Story

The Layover Mystery: Flight Attendant Diana Ramos

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