Court documents reveal new details about a baby-faced 18-year-old accused killer whom police say confessed to murdering a Garland store clerk and shooting another.
Police arrested Colten Moore a day after clerk Yosef Tulu was gunned down at a 7-Eleven in January.
A friend told police they recognized the mask from surveillance video, and said that Moore had talked about wanting to kill someone.
Police busted through the front door of Moore's home, less than a mile from the store, and according to an arrest warrant affidavit, detectives say when they asked for keys to a gun safe, Moore asked if the investigator would like him "to take detectives to where all of the evidence was?"
The affidavit says detectives found Camel cigarettes in a 7-Eleven bag inside a safe in Moore's bedroom, and Moore told them where to find a shell casing in bushes outside the store.
Once he'd been arrested, police say Moore described details in parts of surveillance video that had had not been made public, then demonstrated what he'd told Tulu to do and how he'd killed him, saying Moore "wanted to kill someone and said that no matter who was in the 7-11 that night, he was going to kill them."
Police say Moore told them he'd shot 10 other people, including a clerk at Homeboy's convenience store just a few days before Tulu's death. That Homeboy's is across the street from the 7-Eleven where Tulu was killed, and the clerk in that shooting survived.
The affidavit says that Moore asked "how many times the victim at Homeboys had been hit?" and was "visibly upset the victim had only been hit twice."
Moore told officers he fired five times.
Moore is still in the Dallas County Jail, charged with capital murder for Tulu's death.
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