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SAN ANTONIO (AP) – A suspect has been arrested in the fatal weekend shooting of a San Antonio police detective.

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San Antonio Police Chief William McManus said Monday evening that 31-year-old Otis Tyrone McCain was arrested without incident in the Sunday night killing of Detective Benjamin Marconi.

He was arrested around 4:30 p.m. Monday after the car he was driving was stopped on Interstate 10.

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McManus had said previously that dashcam video from Marconi’s patrol vehicle provided “a lot of information” for investigators about his death.

Marconi was shot as a he sat in his vehicle after making a traffic stop. Authorities have said a gunman walked up to Marconi’s driver’s-side window and fired.

Marconi was writing a ticket for a motorist at the time. Investigators have said that driver was not connected to the shooter.

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