EAST RIDGE, Tenn. (AP) — A fugitive who announced on social media that he had fatally shot his mother and a friend in Tennessee has apparently killed himself, authorities said after the man's body was found Monday in neighboring Mississippi. Casey Lawhorn, 23, apparently died from a self-inflicted gunshot wound after allegedly shooting his mother Vi Lawhorn and friend Avery Gaines on Sunday in East Ridge, Tennessee, according to a statement from Jasper County Sheriff Randy Johnson. According to media reports, Lawhorn had said in the online posts that he had "spent a lot of time thinking about murder, wondering what it feels like."