Investigators say the suspect -- who the FBI has named the 'Bad Wig Bandit' -- robbed the Prosperity Bank at 4065 Bellaire Blvd. at around 12:20pm.
The suspect reportedly entered the bank and approached a teller. He verbally demanded money, then lifted his shirt to reveal a pistol in his waistband.
The teller handed over some cash, which the suspect stuffed in his pockets and fled on foot.
The 'Bad Wig Bandit' is described as a white male in his mid-30s, standing around 5-foot-7 and weighing between 175 and 180 pounds. He has a medium build and medium complexion.
Aside from the wig, the suspect was wearing jeans and a blue jean-colored sweatshirt with a zipper on the top.
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), or the Houston office of the FBI at 713-693-5000.