Childhood Friend Breaks Down Rex Heuermann’s Mind | Long Island Serial Killer

What turns an awkward, bullied boy into a suspected serial killer? In this episode of Sinister with Josh Zeman, Josh sits down with John Parisi, a childhood friend who grew up just blocks away from Rex Heuermann. John knew the Heuermann family, played on the same streets and watched Rex go from a big, quiet kid at the edge of the group to a man he now believes fits the pattern of a premeditated psychopath. In this episode: • John Parisi’s memories of growing up near Rex Heuermann • The Heuermann family dynamics in Massapequa Park • Early bullying, isolation, and social rejection • Warning signs from Rex’s youth, including his fascination with Jones Beach and Ocean Parkway Support the channel: • Comment below with the question about Rex Heuermann that still haunts you • Subscribe and turn on notifications for future investigations and interviews • Share this episode with anyone following the LISK investigation • Join our Patreon for early access, bonus episodes, and behind-the-scenes footage:   / sinisterwithjz   • Check out our YouTube Memberships for members-only content, polls, emojis, badges, and more:    / @sinisterpodcastjz   Sinister is an independent investigative project from filmmaker Joshua Zeman, director of Cropsey, The Killing Season, Murder Mountain, and The Sons of Sam. Every view, share, and membership helps us keep going back into these cases with time, care and respect for the victims and their families. #RexHeuermann #LongIslandSerialKiller #GilgoBeach #LISK #SinisterWithJoshZeman #TrueCrime #TrueCrimePodcast #GilgoBeachMurders #RexHeuermannCase #MassapequaPark #JonesBeach #SerialKillers #Psychopathy #CrimeDocumentary #InvestigativeJournalism #ColdCase #VictimsFirst #truecrimecommunity Hosted by: Joshua Zeman Produced by: Jen Begeal Executive Producer: Cristina Saylor Guest: John Parisi Graphics by: David Baker Sinister presents investigative journalism focused on real-world crime, historical cases, and unresolved questions. Content may include discussion of allegations, theories, and interpretations drawn from reporting, interviews, and publicly available sources. All individuals are presumed innocent unless proven guilty in a court of law. This program does not claim to solve crimes or make legal determinations. The views expressed are those of the host and guests and are intended for informational, educational, and journalistic purposes only.