Authorities are searching for a man described to be in his fifties that robbed a U.S. Bank Monday (August 1, 2016) morning. According to 9 News, the FBI are investigating the robbery that occurred around 10:40 a.m. at the U.S. Bank located at 4930 Colorado Boulevard in Denver. The suspect, who didn't show a weapon at the time of the robbery, passed a note to the teller demanding money. The robber got away with an undisclosed about of cash and no one was hurt during the incident.