Police confirm a 48-year-old homeless man is charged in connection with a weekend assault in midtown that lead to the death of 36-year-old Robert J. Martinez.

Hank William Cooper has been charged with first-degree Involuntary Manslaughter.

As we previously reported, police responded Saturday to find Martinez in the 1400 block of Penn Street seriously injured from an alleged assault. Martinez was transported to Mosaic Life Care for treatment where he later died.

According to court documents on Saturday in the 1400 block of Penn Street Cooper committed first-degree assault against an individual by striking with his fists multiple times and hitting him with a wooden pole.

Detective Dustin Robinson with the St. Joseph Police Department said Cooper intentionally and knowingly struck his victim in the head with the pole which cause the victim to go unconscious and bleed profusely from the injury.

The preliminary autopsy report listed the cause of death as blunt force trauma.

Robinson said Cooper is homeless and has been arrested for failure to appear in court six times before. Cooper has a criminal history of being arrested three times for obstruction, twice for domestic assault, resisting arrest by threats of force, stealing and trespassing, assault on law enforcement, violation of ex parte, and receiving stolen property.

He is currently being held on $100,000 bond.