Milton Olin Dead -- Ex-Napster COO Killed In Cycling Crash ... Struck By Sheriff's Patrol Car

The former COO of Napster was killed Sunday during a bike ride in L.A. when he was struck by a Sheriff's patrol car on Mulholland Highway.

65-year-old Milton Olin Jr. -- who worked at the famous music-sharing site from 2000 to 2002 -- was pronounced dead at the scene.

The crash occurred around 1pm and witnesses say Olin was in the bike lane when he was struck.

As for the Sheriff's deputy -- he was hospitalized for cuts to his face and eye stemming from shattered glass from the windshield of the patrol car.

Cops are investigating -- and so far, officials say neither drugs nor alcohol appear to be involved.