HOUSTON --Authorities need the public's help identifying a serial robber who is now believed to be responsible for at least six bank robberies in the Houston area. The latest robberies occurred at Compass and Chase Bank branches on February 9. At around 1:30pm, the robber entered the Compass Bank, located at 21015 Kuykendahl in Spring. He approached a teller, handed her a note which demanded money and threatened that he had a gun. The teller provided the robber with some cash and he fled the bank. While exiting the bank, the robber dropped the money. Less than thirty minutes later, at approximately 2pm, the same robber entered the Chase Bank, located at 2111 FM 2920 in Spring. In a similar style, he approached a teller and handed her a note which again demanded money and threatened that he had a gun. The teller observed what she believed was the outline of a gun concealed in the robber's pocket. The teller handed him some cash and he left the bank. The suspect was observed getting into the front passenger seat of a black Chevy Impala with paper plates. No one was physically hurt in either robbery. The robber is described as a black male, 20 to 25 years of age, approximately 5-foot-10 to 6 feet tall, with a slim build and cleanly shaven with a dark complexion. He wore a black knit cap, black rimmed glasses, a white shirt, dark tie, black sweater, and black pants. This suspect is wanted for at least four other area bank robberies which occurred at the Trustmark Bank, located at 6809 FM 1960 West in Houston on November 16, 2010; the Sterling Bank, located at 855 FM 1960 in Houston December 20, 2010; the Regions Bank, located at 9480 College Park in The Woodlands on January 18, 2011; and the Chase Bank, located at 20798 FM 1485 in New Caney on February 1, 2011. Crime Stoppers of Houston is offering up to $5,000 for information leading to the charging and arrest of this robber, or any felony suspect. If you have information about this crime, please call the Crime Stoppers Tip Line at 713-222-TIPS (8477).