Police released surveillance of the man they're looking for.
It happened on Wednesday, May 15th at 3:35 p.m. near Undercliff Avenue and 171st Street.
They say he sexually assaulted a female driver on a BX18 bus and then took off.
The suspect is described as a black man in his 30's, 5'7" tall, 160 lbs, with a scar under his left eye.
Anyone with information regarding this incident is asked to call Crime Stoppers at 1-800-577-TIPS (8477).
