The FBI is offering a $20,000 reward for information leading to the arrest of a serial bank robber named the "Khaki Bandit."

According to the FBI, the Khaki Bandit is responsible for a string of 14 Northern California bank robberies.

The robberies include:

He is described as a white man in his 20's or 30's with a slender build and dark hair.

During the robberies, he wears khaki pants and long-sleeved zip-front shirts and jackets with a ht and black glasses.

The suspect has used black handgun to demand money from the tellers.

If you have any information, contact your local FBI office or submit a tip online on the FBI website.