A medical examiner in Florida said that the missing 13-year-old girl who died over the weekend was stabbed to death. St. Johns County Sheriff’s Office said on Tuesday that a medical examiner confirmed that Tristyn Bailey had died from “sharp force trauma by stabbing,” ruling her manner of death as a homicide. Bailey was reported missing by her family on Sunday and was found deceased hours later. The office said that 14-year-old Aiden Fucci, the suspect in her death, is now in custody and was charged with second-degree murder. According to local station News4Jax, detectives are reviewing social media posts allegedly made by Fucci, who apparently was seen in the back of a police car with the message: “Hey guys has inybody (sic) seen Tristyn lately.” The picture was posted on a Snapchat account with the name “Aiden Fucci.” A spokesperson for the office later confirmed to the outlet that …