CHICAGO (STMW) — Police are asking for the public’s help in finding a man believed to be responsible for the sexual assaults of two teen girls about a week apart in the South Side Marquette Park neighborhood.

The most recent attack occurred about 10:20 p.m. on Saturday, in the 6500 block of South Campbell Avenue. The attacker, armed with a knife, approached the 15-year-old victim from behind, forced her into an alley and sexually assaulted her, police said.

The same man is believed to be responsible for an attack on an 18-year-old girl about 6:30 a.m. on Thursday, March 7, in the 2400 block of West 65th Street. The girl was walking toward Western Avenue when the man approached her from behind with a knife, forced her into an alley and sexually assaulted her.

The suspect is described as a black man, 30-40 years old, 5-foot-11 to 6-foot-2, between 180 and 190 pounds. He had black hair and a dark complexion and was wearing a black and red hooded sweatshirt, dark-colored pants, and black shoes.

Anyone who may have information about these incidents is asked to contact Area Central detectives, at (312) 747-8380.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2013. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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