PHOENIX -- The FBI's Bank Robbery Task Force is asking for the public's healp in identifying "First Aid Bandit" who is believed to have robbed four area banks.

The man approaches the teller counter displaying a handgun, demands money and then takes off on foot, the FBI said.

The man is described as 5 feet 8 inches tall and 180 pounds. He is in his mid-30s. The robber has a medium build, a black mustache which is possibly fake, black hair and acne or burn scars, the FBI said.

The man has been seen in most of the robberies with cuts or scars on his nose and on the left and right side of his face, the FBI said.

In every robbery, the he is wearing a gauze bandage on different areas of his face, sometimes with blood seeping through, the FBI said. It is possible the cuts and scars are not real.

The FBI is seeking the man in connection with these recent holdups::

• 11/17/09

Desert Schools Federal Credit Union
8220 Via Paseo Del Norte in Scottsdale
• 11/07/09

Bank of America
4343 E. Broadway Road in Mesa
• 10/31/09

Wells Fargo Bank
5151 N. 44th St. in Phoenix
• 10/01/09

Chase Bank
39 W. Combs Road in Queen Creek

The Desert Schools Federal Credit Union is offering up to $5,000 for original information leading to the conviction of the person behind the robbery at its Scottsdale branch at 8220 Via Paseo Del Norte.

The public can report information to the FBI at 602-279-5511 or to Silent Witness at 480-WITNESS.