On 5/21/23 detectives obtained an arrest warrant for 33 yr. old Katie Grimes in relation to the death of her 4 month old son on 1/25/23 in the 2000 block of Brownsville Rd.. Grimes was arrested today by the Pittsburgh Police Fugitive Apprehension Unit. She is charged with Involuntary Manslaughter, Endangering the Welfare of a Child, Recklessly Endangering Another Person, Possession of a Controlled Substance and Possession of Drug Paraphernalia.