SIOUX FALLS, S.D. (KELO) -- A Minnesota man plans to plead guilty to robbing a Sioux Falls bank. According to court documents, 58-year-old Melvin Gatlin held up the U-S Bank near 41st Street and Marion Road, last March. He admits showing the clerk a note and getting away with more than 35-hundred dollars cash. Multiple law enforcement at Milbank incident Authorities used surveillance video to get his license plate number and track him to Richfield, Minnesota, where they made an arrest. A date for a plea hearing has not been set. When he's sentenced he could face up to 20 years behind bars.