On this episode of Crime Roundup, Sheryl McCollum and Joshua Schiffer return to break down the week’s most talked-about legal and criminal cases. They begin with new developments in the Celeste Revis investigation, where digital footprints, fake ID's, and silence from those who should have spoken up paint a grim picture of what may have happened. Sheryl and Joshua examine the forensic limitations, explore possible motives, and discuss the mounting pressure surrounding a key figure in the case.

They then turned their attention to Sean “Diddy” Combs, as Joshua discusses Combs’ latest court appearance, the credibility of character letters, and the legal strategy behind his reported prison rehab efforts ahead of sentencing. Finally, Sheryl and Joshua revisit the Mann Act and its historical and modern application, including how it shaped the case of boxing legend Jack Johnson and the significance of the posthumous pardon Johnson received from President Trump.

Highlights:

• (0:00) Welcome to Crime Roundup with Sheryl McCollum and Joshua Schiffer
• (0:15) Celeste Rivas case update: fake IDs and the weight of silence
• (5:15) Forensic challenges: decomposition, timeline gaps, and physical evidence
• (17:15) Digital trails: social media, delivery records, and phone data, and why a canceled tour raises eyebrows
• (19:45) What character letters really mean as Sean “Diddy” Combs appears in court
• (21:15) Rehab educational opportunities: legal strategy or authentic program?
• (22:45) The Mann Act: what it is, how it works, and how it has been applied
• (22:15 The case of Jack Johnson, the Mann Act, and the significance of Trump’s posthumous pardon

About the Hosts

Joshua Schiffer is a veteran trial attorney and one of the Southeast’s most respected legal voices. He is a founding partner at ChancoSchiffer P.C., where he has litigated high-stakes criminal, civil rights, and personal injury cases for over two decades. Known for his bold courtroom presence and ability to clearly explain complex legal issues, Schiffer is a frequent media contributor and a fearless advocate for accountability.

Sheryl “Mac” McCollum is an Emmy Award-winning CSI, a writer for CrimeOnline, a forensic and crime scene expert for Crime Stories with Nancy Grace, and co-author of the textbook Cold Case: Pathways to Justice. She is the founder and director of the Cold Case Investigative Research Institute, a national collaboration that advances techniques for solving cold cases and assists families and law enforcement with unsolved homicides, missing persons, and kidnappings.

🎧 Want more from Sheryl?

Catch her every week on the Zone 7 podcast, where she hosts the main series on Wednesdays, Pathology with Dr. Priya on Mondays, and Crime Roundup each Friday alongside Joshua Schiffer.

📢 Stay Connected

Subscribe using your favorite podcast platform and leave a review to support the show. Have a case or topic you’d like Sheryl and Joshua to cover?

Email coldcase2004@gmail.com

Follow the Hosts:

• Sheryl on X: @ColdCaseTips
• Facebook: @sheryl.mccollum
• Joshua on X and Instagram: @lawyerschiff

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In this episode of Zone 7, Sheryl McCollum is joined by attorney Joshua Schiffer to examine the case of 15-year-old Celeste Rivas Hernandez. Celeste, a runaway, was found decomposing in the trunk of an abandoned Tesla registered to a rising star named David. They review what is currently known about the investigation and discuss the disturbing connections between Celeste and David, including their matching “shhh” tattoos and a song released on her birthday that now carries chilling significance. They also question how a 13-year-old could vanish for nearly two years, raising concerns about communal responsibility and the protection of vulnerable youth.

Joshua Schiffer is a veteran attorney and one of the Southeast’s most respected legal voices. He is a founder at ChancoSchiffer P.C., where he has litigated high-stakes criminal, civil rights, and personal injury cases for over two decades. Known for his bold courtroom presence and ability to clearly explain complex legal issues, Schiffer is a frequent contributor to Zone 7 and a fearless advocate for accountability.

Highlights:

• (0:00) Sheryl welcomes Joshua Schiffer and introduces the case of Celeste Rivas Hernandez
• (1:45) The discovery of the body in the abandoned Tesla and the first red flags
• (3:00) Tesla technology, surveillance footage, and how modern cars track everything
• (7:15) Celeste's background: How does a 13-year-old vanish without support or detection?
• (9:30) Fan culture and the personal connection between Celeste and the singer
• (11:30) The silence of family, neighbors, schools, and systems that failed her
• (19:30) "You’ve got a head and a torso of a 15-year-old in a Tesla.” Examining decomposition, concealment, and the physical evidence left behind
• (21:30) Third-party defense strategies and future courtroom challenges
• (28:15) A tribute to Celeste, a plea for societal change, and a closing quote from “Romantic Homicide”

Enjoying Zone 7? Leave a rating and review. Your feedback helps others find the show and supports our mission to educate and investigate.

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Sheryl “Mac” McCollum is an Emmy Award-winning CSI, a writer for CrimeOnline, forensic and crime scene expert for Crime Stories with Nancy Grace, and co-author of the textbook Cold Case: Pathways to Justice. She is the founder and director of the Cold Case Investigative Research Institute, a national collaboration that advances techniques for solving cold cases and assists families and law enforcement with unsolved homicides, missing persons, and kidnappings.

Social Links:

• Email: coldcase2004@gmail.com
• Twitter: @ColdCaseTips
• Facebook: @sheryl.mccollum
• Instagram: @officialzone7podcast

See omnystudio.com/listener for privacy information.

Start your day with the news only the New York Post can deliver, with their brand-new daily podcast, NYPOSTcast. From the iconic newspaper that pulls no punches, you’ll get the headlines you need and the stories you want. Every episode includes a deep dive into a headline impacting your world plus, the Post’s signature mix of politics, business, pop culture, true crime, and everything in between. In today's episode, host Caitlyn Becker looks at the Charlie Kirk memorial service, a shooting at a wedding in New Hampshire, and an Oregon Senator who's children are being blamed for the suicide of a family assistant.

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