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.
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.