Security cameras capture shocking attack on San Francisco cabbie.
San Francisco police are looking for a woman who viciously attacked a cabbie when told he couldn't accept a $100 bill.
Security cameras inside Taiwo Tuyi's Yellow Cab captured the attack.
After savagely attacking Tuyi the woman jumped from the cab.
Police say they're still concerned because the cameras didn't capture a perfect picture of the suspect's face.
Tuyi wasn't seriously injured.