Authorities Seek Information Regarding Deadly Parker County Hit-and-Run DPS asks for assistance in identifying the suspect involved in a fatal hit-and-run crash resulting in the death of a 38-year-old Paradise woman. Published August 2, 2021 • Updated on August 2, 2021 at 8:54 pm NBC 5 News The Texas Department of Public Safety is asking for the public's help to collect information about a deadly hit-and-run crash in Parker County on Thursday. Katie M. Derouin, 38, ran into the eastbound lanes of State Highway 199 near South Drive just west of Springtown when she was struck and killed by a passing vehicle, investigators said. Witnesses told DPS that following the crash, the driver of the vehicle initially stopped close to the scene but left before authorities arrived.