TOPEKA, Kan. (AP) — Kansas officials are looking into the state’s treatment of a mental health patient accused of killing a man in Kiowa County.

The Kansas City Star  reports superintendent of state hospitals Bill Rein told a mental health committee Thursday that the records of 30-year-old Brandon Brown have been isolated and inquiry into the his treatment has begun.

Authorities say Brown was sent to Osawatomie State Hospital on May 7 to undergo seven days of treatment for violent behavior after fighting with residents at an assisted living facility in Haviland. According to state records, Brown was discharged May 14 and sent back to Haviland, and is accused of beating 61-year-old Jerry Martinez on May 17. Martinez died in early June.

Brown has been charged with second-degree murder. It is not immediately clear if he has an attorney.