Jacksonville Fire-Rescue found a 35-year-old woman dead inside a burned home early Thursday morning.
Just before 3 a.m., the Jacksonville Sheriff's Office responded to Catawissa Court, between Catoma Street and Ortega Farms Boulevard, to assist JFRD with a residential fire.
According to JSO, the residence appears to be a single-wide mobile home.
The victim, Regina Walker, was a friend of the tenant, and the tenant is currently in jail, according to JSO.
The State Fire Marshal's Office is investigating the cause of the fire.