RELATED: Hospital staff placed on leave after patient escaped to California
The woman, who wanted to protect her identity, said she recognized him and told her co-workers there was no way she'd give him another ride.
RELATED: Massive manhunt for escaped patient ends in Bay Area
"I told the dispatch this morning, I said, 'I'm not, if he calls for me, I don't want nothing to do with that because he's the guy.' And my boss called and he said, 'Are you sure?' and I said, 'I'm 100% sure. I'm 100%'," the cabbie said.
That driver's certainty helped lead police to the suspected killer.
RELATED: Prosecutors say escaped psych patient that flew to San Jose has 'criteria of classic serial killer'