Brian Laundrie left behind writings showing his “responsibility” for the death of his girlfriend, Gabby Petito, whose disappearance last year launched a massive search from Utah to Florida, the FBI said Friday.
Federal investigators formally closed the book on the probe that ended with the discovery of the body of Petito, a 22-year-old social media influencer, on Sept. 19 in Wyoming.
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Laundrie’s body was found in Florida on Oct. 20.
“All logical investigative steps have been concluded in this case,” FBI Denver Special Agent in Charge Michael Schneider said in a statement.
Read more on NBC News here.