Crime Stoppers and Seventh Squad detectives are looking for a suspect wanted in "a violent sexual assault" of a woman in July in Shirley.

Police released a sketch of the suspect Wednesday, saying the assault happened at about 2:45 a.m. on Sunday, July 14.

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The victim was walking near Floyd Road and Broadway when she was attacked, police said.

The suspect is in his late 20s and was wearing long shorts with a square-pattern design, police said.

Anyone with information can call Crime Stoppers at 800-220-8477. All calls will be kept confidential.