He allegedly put his hand up the woman's skirt, grabbed her crotch and buttocks and ran out of the store.
Next, he did the same thing to a woman in the lobby of her building on Second Avenue near East 36th Street at around 7 p.m., police said.
He then allegedly assaulted a 27-year-old woman in the elevator of her building on East 56th Street near Third Avenue at 8:15 p.m.
The suspect was described as a 5-foot-10 inch tall, 200-pound Native American man in his 30s with long, black hair. He was wearing tan shorts, a tan and black T-shirt and white sneakers.
NEW YORK AND TRI-STATE AREA NEWS