24K views · 206 reactions | When a California tech consultant runs for governor, questions about his past emerge — including his ties to a woman at the center of David Coffin’s murder case. Watch “Tech Bro Murders” Tuesday on ID. | Investigation Discovery | Facebook

From ritual killings to nightmarish rampages, these aren’t horror movies—they’re real crimes that struck on the most feared date in the calendar. Watch "The Friday the 13th Murders" on Wednesday on ID and streaming on @HBOMax. | Investigation Discovery

On Friday the 13th, 14-year-old Amber Dubois vanishes. A year later, Chelsea King disappears nearby. As fear spreads, a survivor links the two and exposes a predator hiding in plain sight. Police race to stop a killer before Friday the 13th strikes again. Watch “The Friday the 13th Murders” Wednesday on ID. #TheFridayThe13thMurders | Investigation Discovery

2.7K views · 1.9K reactions | The best true crime, is only on ID. Aaron Hernandez, In Pursuit with John Walsh, Aileen Wuornos and more. | Investigation Discovery | Facebook

12K views · 151 reactions | Looking for more true crime? Watch hours of original investigations into headline cases, including O.J. Simpson, JonBenet Ramsey, and much more with ID GO. | Investigation Discovery | Facebook

1.3M views · 16K reactions | A kind old man—or a sadistic predator? Gary Muehlberg hid in plain sight for years. But DNA evidence finally exposed his deadly secrets. Watch #SignsOfAPsychopath Sunday on ID. | Investigation Discovery | Facebook

1.8M views · 24K reactions | Every chilling retelling was another way to control, to shock, to relive the violence he believed he was entitled to. Watch #SignsOfAPsychopath Sunday on ID. | Investigation Discovery | Facebook

8.9K views · 200 reactions | Watch as experts draw on forensic science to solve baffling crimes and other mysteries. Join us tonight at 8/7c for #ForensicFilesII on ID | Investigation Discovery | Facebook