Imagine fishing for 11 years with your best friend, only to find out he was the Golden State Killer. In this exclusive, full, uncut interview, Richard Mangang breaks his silence on his decade-long friendship with Joseph DeAngelo, the "Mask of Sanity" he wore, and the terrifying moments when the mask finally slipped.
From secret road rage threats to the mystery of the "Red Satchel" gun, this is the definitive True Crime investigation into the hidden life of one of history’s most prolific serial killers.
📌 TIMESTAMPS:
0:00 - The "Best Friend" Revelation
5:20 - Fishing with Joseph DeAngelo
12:45 - The Violent Road Rage Incident
18:30 - The Secret "Red Satchel" Gun
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/ @tzscandal The Story Breakdown "I had no idea." Those are the haunting words of Richard Mangang, who spent hundreds of hours on a boat with the most prolific serial killer in California history. Host Tom Zenner dives deep into the "mask of sanity" that DeAngelo wore, revealing never-before-seen photos and chilling details about the killer's private rage, his "red satchel" mystery, and the misogyny that fueled his crimes. In this episode, we reveal: The "Red Satchel" Mystery: Why DeAngelo carried a hidden weapon on every fishing trip. The Mask Slipping: Richard’s firsthand account of DeAngelo's volatile road rage and "eye-socket" threats. The Deception: How the Golden State Killer used a "no-handshake" rule to keep even his closest friends at a distance. The Arrest: The moment Richard saw his "best friend" in an orange jumpsuit on the evening news. Topics Covered: Joseph DeAngelo, Golden State Killer, GSK, East Area Rapist, Original Night Stalker, True Crime Investigation, Serial Killer Psychology, Richard Mangang Interview, Tom Zenner, Folsom Lake, Cold Case Solved, Genetic Genealogy, Investigative Journalism, DNA Evidence.
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