BOISE, Idaho (AP) — The FBI is offering up to a $5,000 reward for information leading to the arrest and conviction of a man suspected in six bank robberies in Idaho and Utah between December and March.

Witnesses said the suspect is a white man about 50 to 60 years old with short gray hair, about 5 feet, 10 inches tall and weighing 145 to 180 pounds. He has been seen in blue jeans, white sneakers, eyeglasses and a cap and carrying a red duffel bag.

The man is suspected of robbing Boise banks in December, January and March, one in Garden City in January, one in Cedar City, Utah in February and one in George, Utah on March. During each robbery, he has either demanded cash or displayed a note. No weapon has been reported.