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Smith told neighbors at the apartment building where he shot himself that he would never return to prison. Police armed with a search warrant approached him, told him to take his hands out of his pockets and said they were there to talk to him about Chasen’s killing. That’s when Smith pulled a gun from one of those pockets and shot himself in the head.

One of the neighbors, Terri Gilpin, said she heard Smith boast about Chasen’s killing. He talked about how he was going to be paid $10,000 and was waiting on the money, she said.

Speculation about the motive for the killing of Chasen initially included road rage, a professional hit or gang-initiation killing.

Citing preliminary results of an autopsy first reported by KTTV, The Associated Press reported Monday that Smith’s gun likely did not match the one used to kill Chasen.

The TV station reported Chasen appeared to have been killed by 9 mm hollow-point bullets. Snowden later said the preliminary autopsy records were erroneous.