By ALEX DOMINGUEZ, Associated Press

PERRY HALL, MD (AP) - Police say a 15-year-old accused of shooting a classmate at a suburban Baltimore high school used a double-barreled shotgun that he took from his father's house and drank vodka before the shooting.

Robert Wayne Gladden Jr. has been charged as an adult with attempted murder and first-degree assault in the shooting, which left a 17-year-old classmate critically wounded.

Baltimore County Police Chief James Johnson says Gladden came to school Monday with a bottle of vodka, a disassembled shotgun and 21 rounds of ammunition. He says the shotgun was more than 40 years old.

Johnson says he's aware of reports that Gladden had been bullied, but he says Gladden has not indicated to detectives that bullying was a motive.

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