A 20-year-old man has been arrested on suspicion of fatally shooting a housemate during an argument early Friday on Tucson's south side, police say.ย 

Just after 6 a.m. police found Adam Lee Arndt, 31, shot and wounded at a house in the 2500 block of East Cambridge Ring Drive, near South Tucson Boulevard and East Drexel Road, Tucson police said in a news release.

Arndt died at the house.

Jayden Betters, 20, was found a short time later.

Betters was later arrested and booked into the Pima County jail on suspicion of first degree murder, aggravated assault and being prohibited possession of a firearm, the release said.

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