Natalie Wood, Bruce Lee, Notorious B.I.G. The killers of these people haven’t been found to this day. But there are criminal cases full of questions and inconsistencies that remain unsolved for a few million years. Who killed the most enormous cold-blooded prehistoric monsters called the Megalodon and the Titanoboa? The investigation hits a dead end because it's hard to comprehend who or what could defeat those monsters. Eyewitnesses are long gone, and the evidence was destroyed by time. In this video, we’ll reopen the investigation and find out: how did a lethal dose of radiation end up at the scene? Can we trust the white sharks’ alibi? And most importantly, who killed the prehistoric mega predators?