Murderer Brian Laundrie poured his sick mind onto paper, scrawling notes about his “mania” and doodling skull graphics with the words “Trust no one” and “Kill,” new FBI files ...

Gabby Petito, 22, was traveling cross-country in a converted camper van with her fiancé, 23-year-old Brian ... Petito and Laundrie. The report stated that Petito was likely "a long-term victim ...

Brian Laundrie, 23, shot himself after Petito was found in September strangled in a Wyoming campground. The couple had been on a cross-country road trip. Laundrie's body was found in a Florida ...

Brian Laundrie, 23, is a person of interest in the case but police say he is not wanted for any crime. He and Gabrielle "Gabby" Petito, 22, set out on a cross-country campervan trip in July ...