VIDEO: 'These were violent rapes committed by a serial rapist,' SFPD says

SAN FRANCISCO (KGO) -- Police arrested a man who they say posed as a San Francisco rideshare driver and allegedly raped four women in five years.

During a press conference, police identified the man as Orlando Vilchez Lazo and said they believe there are more victims out there. "It's hard to believe he wasn't committing crimes somewhere else," San Francisco Commander Greg McEachern said.

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TIMELINE: Sexual misconduct allegations plaguing ride-hailing companies

A short timeline of the sexual misconduct allegations that have plagued ride-hailing companies like Uber and Lyft in the San Francisco Bay Area during the past four years.