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Authorities have arrested a 26-year-old Marysville man in connection with the June 1 drive-by shooting that killed 15-year-old Molly Conley of Seattle, officials confirmed Friday night.

Snohomish County Sheriff’s Office deputies made the arrest Friday at the man’s home, spokeswoman Shari Ireton said. The suspect was to be booked into Snohomish County Jail on suspicion of first-degree murder, she said.

No other information was expected to be available until Monday, Ireton said.

Conley, nicknamed “4.0” because of her grades, was killed while celebrating her 15th birthday with friends in Lake Stevens.

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Detectives believe the classmates were walking along South Lake Stevens Road at 11:18 p.m. when someone in a passing vehicle opened fire. A bullet struck Conley in the neck. She died at the scene.

Officials said they received 911 calls about at least two other drive-by shootings later that night, although those resulted only in property damage. It wasn’t clear whether the other shootings were related.

The Snohomish County Sheriff’s Office, which was handling the investigation, had released few updates in recent days.

Crime Stoppers of Puget Sound had offered a $34,000 reward for information that led to a conviction in Conley’s slaying. It wasn’t immediately clear whether the reward figured in Friday’s arrest.

Earlier Friday, Conley’s mother posted on Facebook a copy of a letter the 15-year-old wrote to her classmates as an end-of-the-year assignment. “I pray that we can make this school our home,” Conley wrote. “ … I pray that we will take these next few years together and make them great.”

News research Miyoko Wolf contributed to this report, which includes information from The Seattle Times archives.

Brian M. Rosenthal: 206-464-3195 or

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