Investigators have charged 43-year-old Arnold Rivera of Vandalia in connection with the death of Kylie Toberman. Vandalia Police found the teen’s body Friday at a home in the 1100 block of West Gallatin Street and called in the Illinois State Police and the Child Death Investigation Task Force.

Authorities say an extensive investigation quickly identified Rivera as the suspect. Vandalia Police located him within a few hours and took him into custody. ISP says it’s also aware of a social media post related to the case, which remains under review as part of the investigation.

On Monday, the State Police presented their findings to the Fayette County State’s Attorney, who filed multiple charges, including first-degree murder, criminal sexual assault, and concealment of a homicidal death. Rivera is being held pending trial.

State Police say no additional information is being released at this time. Multiple agencies assisted in the investigation, including the Fayette and Effingham County Sheriff’s Offices, the FBI, the county coroners, the Department of Natural Resources, and St. Elmo Police.