A man was charged with a Chicago bank robbery earlier this month after police identified him because he was wearing an electronic ankle monitor as part of his probation, according to court documents.Naenb Mershah, 31, is accused of robbing the Chase Bank branch, 5715 N. Broadway, at about 2:20 p.m. Nov. 19. If convicted, he faces up to 20 years in prison. An arrest warrant for Mershah was signed Monday.While wearing a court-ordered ankle monitor, Mershah allegedly handed a bank teller a note that read, “I have Gun Give me the money Before I shot [sic],” according to court documents. While wearing a court-ordered ankle monitor, Naenb Mershah is alleged to have walked into the Chase Bank at 5715 N. Broadway St. and handed a note to the teller reading, “I have Gun Give me the money Before I shot [sic],” according to court documents.The United States District Court for the Northern District of Illinois The teller handed Mershah $2,545 before he fled, ditching his winter coat and mask under the Red Line tracks, which were later recovered, according to court documents.In early September, Mershah pleaded guilty to retail theft. He was sentenced to two years of probation and ordered to wear an electronic ankle monitor, according to court records.The ankle monitor’s data tracked Mershah from the bank to the Bryn Mawr and Wilson Red Line stations, where police matched video of the suspect to Mershah based on his tattoos. Naenb Mershah is alleged to have ditched his winter coat and the mask used during a bank robbery under CTA Red Line tracks in Edgewater.The United States District Court for the Northern District of Illinois Related Blunders lead feds to suspects in theft of millions in Chicago-area armored truck robberies Chicago man gets 20 years for armed bank robberies Franklin Park man indicted in 6 suburban bank robberies