A partnership built on profit spiraled into paranoia and premeditation. When bleach, a hit list, and a gun entered the picture, it became clear this was no accident—it was an ambush. Watch “The Tech Bro Murders” Tuesday on ID and stream on @HBOMax #TheTechBroMurders | Investigation Discovery

He thought it was a simple job—just paint over a floor. But when Donnie realized what he was covering up, it was already too late to walk away. Watch “The Friday the 13th Murders” Wednesdays on ID and stream on @HBOMax. #TheFridayThe13thMurders | Investigation Discovery

The injuries were brutal. The scene was bare. And whoever did this wanted the whole town to feel it. Watch The Real Murders on Elm Street Wednesday on ID. #TheRealMurdersOnElmStreet | Investigation Discovery

The murder case that captivated the nation. Is Karen Read guilty or the victim of a cover-up? Watch the full documentary A Body in the Snow: The Trial of Karen Read Saturday on ID and @streamonmax | Investigation Discovery

Stream every episode of In Pursuit with John Walsh on ID GO. | Investigation Discovery

John Walsh is back on ID, and he needs your help more than ever. All new season of In Pursuit with John Walsh, Wednesday at 10/9c. | Investigation Discovery