
Colonial Parkway Murders Update: New DNA Links and the CODIS Question
07/1/2026 | 33 min
Nearly four decades after the Colonial Parkway murders first shocked Virginia, new DNA links have expanded the known scope of the case while raising questions about investigative accountability. In this episode of Zone 7, Sheryl McCollum is joined by Bill Thomas, whose sister Cathy Thomas was one of the original victims, and Kristin Dilley, his long-time investigative partner and co-host of the podcast Mind Over Murder. They walk through the latest DNA identifications tied to Allen Wade Wilmer Sr., the procedural barriers that keep his profile out of CODIS, and the growing divide between state-level momentum and federal inaction. Their discussion centers on what happens when evidence advances while communication and action stall. Highlights: • (0:00) Sheryl McCollum opens Zone 7by addressing stalled accountability in long- running cold cases • (0:45) Bill Thomas and Kristin Dilley return to Zone 7 and reflect on their investigative partnership • (2:00) Bill remembers his sister Cathy Thomas, her Naval Academy legacy, her character, and her friend Rebecca Ann Dowski • (5:15) How advocacy and podcasting have helped families move forward on the Colonial Parkway murders • (9:15) The January 2024 public announcement linking Allen Wade Wilmer Sr. to multiple victims • (10:15) The confirmed DNA connection to Laurie Ann Powell • (13:15) Why Wilmer’s DNA is not in CODIS despite evidence of sexual assault • (17:00) Federal communication failures and the limits of victim services updates • (19:15) The contrast between FBI silence and Virginia State Police persistence • (22:45) Whether Cathy Thomas’s case is closer to resolution and what emerging patterns suggest • (25:15) Evidence handling failures and the long-term consequences for families • (33:15) Closing reflections on persistence, accountability, and the cost of waiting decades for answers Guest Bios: Bill Thomas is a victim advocate and the brother of Cathy Thomas, one of the original victims of the Colonial Parkway murders. For nearly four decades, he has worked with law enforcement, forensic experts, and journalists to seek answers in his sister’s case and accountability for all affected families. Bill is co-host of the podcast Mind Over Murder, where he focuses on cold cases, investigative transparency, and the systemic challenges families face in long-term homicide investigations. Kristin Dilley is a true crime podcaster, researcher, writer, and teacher based in Williamsburg, Virginia. Kristin has worked alongside Bill Thomas for more than seven years and is the co-host of Mind Over Murder, where she examines cold cases with an emphasis on evidence, patterns, and victim-centered accountability. Enjoying Zone 7? Leave a rating and review where you listen to podcasts. Your feedback helps others find the show and supports the mission to educate, engage, and inspire. Sheryl “Mac” McCollum is an active crime scene investigator for a Metro Atlanta Police Department and the director of the Cold Case Investigative Research Institute, which partners with colleges and universities nationwide. With more than 4 decades of experience, she has worked on thousands of cold cases using her investigative system, The Last 24/361, which integrates evidence, media, and advanced forensic testing. Her work on high-profile cases, including The Boston Strangler, Natalie Holloway, Tupac Shakur and the Moore’s Ford Bridge lynching, led to her Emmy Award for CSI: Atlanta and induction into the National Law Enforcement Hall of Fame in 2023. Social Links: • Email: [email protected] • Twitter: @ColdCaseTips • Facebook: @sheryl.mccollum • Instagram: @officialzone7podcast Preorder Sheryl’s upcoming book, Swans Don’t Swim in a Sewer: Lessons in Life, Justice, and Joy from a Forensic Scientist, releasing May 2026 from Simon and Schuster. https://www.simonandschuster.com/books/Swans-Dont-Swim-in-a-Sewer/Sheryl-Mac-McCollum/9798895652824 See omnystudio.com/listener for privacy information.

She Never Came Home: The Lonnie Rogers Cold Case and a 44-Year Search for Truth
31/12/2025 | 59 min
In January 1981, during a severe winter storm, Lonene “Lonnie” Rogers disappeared from her home in rural Pennsylvania, leaving behind her children, her car, and no clear explanation for how she could have survived the conditions. In this episode of Zone 7, Sheryl McCollum speaks with Lonnie’s daughter, Alison Duiker, about the final hours before the disappearance, the instability that followed, and the long search for answers that began when Alison was just five years old. Joined by clinical hypnotherapist Monica Miller, their conversation revisits the timeline of that night and the challenges of examining long-dormant cases when physical evidence is scarce. Highlights: • (0:00) Sheryl McCollum shares Zone 7’s 2026 plans and the upcoming 10-8 Tour • (1:15) January 7,1981: the blizzard night Lonnie Rogers vanished • (2:45) Alison Duiker remembers her mother before the disappearance • (5:15) Writing A Daughter’s Journey and preserving her mother’s story • (10:00) The home environment leading up to Lonnie’s disappearance • (13:00) Neighbors report arguing during the storm and unusual sounds in the duplex • (14:45) The middle-of-the-night trip to the babysitter and unanswered time gaps • (16:45) Growing up in instability after her mother vanished • (19:15) The night Alison was abandoned at a police station • (21:45) A teacher’s phone number and the moment that everything changed • (26:15) Finding safety, stability, and resilience through guardianship • (28:00) Revisiting the case decades later and considering hypnosis as an investigative tool • (31:30) Monica Miller explains memory, trauma, and timeline-based hypnosis • (41:45) Creating a controlled, quiet setting to organize memory without suggestion • (43:45) A key detail: snow wiped from Lonnie’s car • (50:15) Recovered memory and its investigative implications • (54:15) The call Alison never expected: a reported confession and arrest after forty-four years • (58:15) Thanksgiving reflections and plans for a future case update Guest Bios: Alison Duiker is a special education teacher with more than twenty years of experience working with young children. She is the author of "A Daughter’s Journey: A Story of Resilience," a memoir documenting her childhood, her mother Lonnie Rogers’ disappearance, and the lasting impact of unresolved loss. Alison has spent decades advocating for answers in her mother’s case and raising awareness about cold cases. Monica Miller is a Certified Clinical Hypnotherapist based in Atlanta, Georgia, with more than ten years in private practice. She holds a B.A. from the University of Florida and is also a Licensed Massage Therapist and registered yoga teacher, integrating a mind-body approach in her work. Monica works with a wide range of clients, including professional athletes and individuals in high-stress careers, using a collaborative and client-centered method. About the Host Sheryl “Mac” McCollum is an active crime scene investigator for a Metro Atlanta Police Department and the director of the Cold Case Investigative Research Institute, which partners with colleges and universities nationwide. With more than four decades of experience, she has worked on thousands of cold cases using her investigative system, The Last 24/361, which integrates evidence, media, and advanced forensic testing. Her work on high-profile cases, including The Boston Strangler, Natalie Holloway, Tupac Shakur and the Moore’s Ford Bridge lynching, led to her Emmy Award for "CSI: Atlanta" and induction into the National Law Enforcement Hall of Fame in 2023. Social Links: • Email: [email protected] • Twitter: @149zone7 • Facebook: @sheryl.mccollum • Instagram: @officialzone7podcast See omnystudio.com/listener for privacy information.

Murder in the Shadow of the White House: Dr. Sunny Slaughter on the D.C. Ambush
24/12/2025 | 40 min
Just blocks from the White House, a quiet act of service ended in tragedy. Two young National Guard members were ambushed; one was killed instantly, and another was left in critical condition. This week on Zone 7, Sheryl McCollum welcomes Dr. Sunny Slaughter to reflect on what happened that day and what it reveals about leadership, language, and the power of restraint. Together, they explore how hate takes root, why communication can be a matter of life and death, and what it truly means to serve with empathy when the world feels like it’s falling apart. Highlights: • (0:00) Sheryl McCollum reveals Zone 7’s 2026 return to weekly episodes and the kickoff. of the 10-8 Tour • (1:00) Welcome to Zone 7 with Sheryl McCollum and guest Dr. Sunny Slaughter • (4:15) The ambush that killed Sarah Beckstrom, 20, and critically injured Andrew Wolfe, 24 • (7:00) How compassion, not politics, defines law enforcement and military duty • (10:00) “Take the temperature down to zero”: Dr. Slaughter’s warning against political violence • (12:30) Dr. Slaughter’s experience teaching “lens, language, and law” and why empathy is operational readiness • (17:00) Service as calling, not career: advice for the next generation of guardsmen and officers • (20:45) Sheryl and Dr. Slaughter on gratitude, resilience, and learning through hardship • (27:00) Finding meaning after loss and the power of service on purpose• (30:00) Preparing for crisis: why every law enforcement professional must plan for the unexpected • (35:00) The Florida eviction tragedy and how quickly crisis can turn fatal • (36:15) Final reflections: honoring the National Guard members through unity, compassion, and continued service Guest Bio Dr. Sunny Slaughter is a law enforcement instructor, expert witness and crisis communication strategist who specializes in counterterrorism, extremism, and emerging threats. As CEO of Sunny Slaughter Consulting and founder of the Sunny Slaughter Group, she helps agencies nationwide build crisis-ready leadership. A former military spouse and longtime advocate for justice and public safety, Dr. Slaughter has served as a U.S. Department of Homeland Security instructor and continues to guide federal, state, and local agencies in strengthening community resilience. About the Host Sheryl “Mac” McCollum is an active crime scene investigator for a Metro Atlanta Police Department and the director of the Cold Case Investigative Research Institute, which partners with colleges and universities nationwide. With more than 4 decades of experience, she has worked on thousands of cold cases using her investigative system, The Last 24/361, which integrates evidence, media, and advanced forensic testing. Her work on high-profile cases, including The Boston Strangler, Natalie Holloway, Tupac Shakur and the Moore’s Ford Bridge lynching, led to her "Emmy Award for CSI: Atlanta" and induction into the National Law Enforcement Hall of Fame in 2023. Social Links: • Email: [email protected] • Twitter: @149zone7 • Facebook: @sheryl.mccollum • Instagram: @officialzone7podcast Enjoying Zone 7? Leave a rating and review where you listen to podcasts. Your feedback helps others find the show and supports the mission to educate, engage, and inspire. Preorder Sheryl’s upcoming book, "Swans Don’t Swim in a Sewer: Lessons in Life, Justice, and Joy from a Forensic Scientist," releasing May 2026 from Simon and Schuster.See omnystudio.com/listener for privacy information.

Coming 2026 on Zone 7...
22/12/2025 | 1 min
Sheryl briefs us on Zone 7 news for the New Year!See omnystudio.com/listener for privacy information.

Winter Break Turned Tragic: The Day Violence Struck Brown University
22/12/2025 | 49 min
At 4:22 p.m. on what should have been an ordinary December afternoon, gunfire erupted inside the engineering building at Brown University. Students preparing for final exams found themselves barricaded in classrooms as text alerts warned, “Hide. Stay where you are. Silence your phone.” This week on Zone 7, Sheryl McCollum and retired FBI Special Agent Scott Duffey revisit the Brown University shooting, where a day of finals spiraled into chaos and tragedy. Together, they discuss the confusion inside the building, the calm suspect caught on camera, and the observant witness whose attention to detail helped identify him. Sheryl and Scott examine what went right, what went wrong, and how information, instinct, and timing shaped the investigation. Highlights: • (0:00) Welcome to Zone 7 with Sheryl McCollum and returning guest Scott Duffey to discuss the Brown University shooting and the law-enforcement response that followed • (5:45) The moment violence reached Brown University: students taking finals as shots rang out • (12:30) “Nobody was prepared to take this person on”: why Brown University was a soft target • (15:30) Behavioral clues and why the suspect didn’t fit the usual active-shooter profile • (18:30) How video surveillance, community vigilance, and digital evidence guided the search • (21:15) Law enforcement press conferences and why clear, real-time communication with the public is critical • (25:00) The second engineer’s murder: coincidence or connection? • (28:30) Theorizing motive and method• (31:00) The suspect’s calm demeanor and cultural clues that caught investigators’ attention • (34:45) Terrorism concerns, global context, and seasonal timing during the holidays • (39:00) Update: the shooter found deceased; press conference missteps and misinformation • (43:15) The breakthrough witness whose attention to detail broke open the case • (48:30) Closing thoughts on the investigation, the likelihood of a manifesto, and why violent offenders rarely act in silence Guest Bio: Scott Duffey is a retired FBI Supervisory Special Agent with more than two decades of service in the Bureau’s Baltimore Division, including assignments with the Wilmington Resident Agency and the Delaware Violent Crimes Task Force. He now directs the Criminal Justice Institute at Wilmington University, where he teaches interview and interrogation techniques to law enforcement professionals. Duffey also provides on-air crime analysis for FOX, CNN, NewsNation, and the Wildlife CSI Academy, continuing to educate, inform, and engage audiences worldwide. Enjoying Zone 7? Leave a rating and review where you listen to podcasts. Your feedback helps others find the show and supports the mission to educate, engage, and inspire. Sheryl “Mac” McCollum is an active crime scene investigator for a Metro Atlanta Police Department and the director of the Cold Case Investigative Research Institute, which partners with colleges and universities nationwide. With more than 4 decades of experience, she has worked on thousands of cold cases using her investigative system, The Last 24/361, which integrates evidence, media, and advanced forensic testing. Her work on high-profile cases, including The Boston Strangler, Natalie Holloway, Tupac Shakur and the Moore’s Ford Bridge lynching, led to her Emmy Award for CSI: Atlanta and induction into the National Law Enforcement Hall of Fame in 2023. Social Links: • Email: [email protected] • Twitter: @ColdCaseTips • Facebook: @sheryl.mccollum • Instagram: @officialzone7podcast Preorder Sheryl’s upcoming book, Swans Don’t Swim in a Sewer: Lessons in Life, Justice, and Joy from a Forensic Scientist, releasing May 2026 from Simon and Schuster. https://www.simonandschuster.com/books/Swans-Dont-Swim-in-a-Sewer/Sheryl-Mac-McCollum/9798895652824 See omnystudio.com/listener for privacy information.



Zone 7 with Sheryl McCollum