DES MOINES, Iowa (AP) — Des Moines police say a 15-year-old girl has been arrested in a man’s death that was initially reported to police as a suicide. Police said in a news release Wednesday that the teen was arrested on suspicion of first-degree murder in the the death of 37-year-old Zachary Brooks of Des Moines. Brooks was found dead in an apartment Monday evening after someone called authorities to report a suicide there. The officers who arrived found Brooks’ body, but said his death didn’t appear to be a suicide.

Police later declared Brooks’ death as the city’s 12th homicide of the year. Police have given no details of how Brooks died or what led to the teen’s arrest.