CHICAGO (CBS) — Police were asking the public to help them identify the attacker who sexually abused a boy in a Little Village restaurant’s washroom Saturday.

The sketch released Thursday by the Chicago Police Special Investigations Unit shows a man who’s Hispanic, between 25 and 40 years old, light-skinned, has a black mustache, and has numerous tattoos on his arms.

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One tattoo takes the shape of a knife above the Spanish word “que” between two lines. A second tattoo might depict a dog.

At the time of the attack, the suspect wore a black baseball cap, and a blue- or green-colored long-sleeve shirt with the sleeves rolled up. He escaped in a small green car.

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The attack occurred as the victim ate dinner with his family at the Great China Buffet, on the 2500 block of West Cermak Road.

Police said parents can prevent a similar attack by accompanying their children to the washroom.

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If you have information that could help police, call 911 or Special Investigations Unit detectives at 312-492-3810.