A judge in San Antonio on Tuesday ordered the suspect to remain in juvenile custody. Investigators say the suspect was already held on an unrelated robbery charge from a November incident when he was charged Monday with murder.
The case involves the drive-by shooting of 13-year-old Gabriel Martinez as he stood outside his family's San Antonio home before dawn on Sept. 15. Police are trying to determine a motive for the attack.
Police have said the victim was shot several times, collapsed and died.
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