Police are asking for the public's help find a man who went missing Friday from the city's Heart of Chicago neighborhood on the Lower West Side.Peter Konhilas was last seen leaving the 2000 block of West Coulter Street. He was wearing a violet-colored jacket and orange pants. He was carrying a backpack and may be barefoot, police said. Konhilas frequents the areas of Naperville, Lincoln Park and DePaul University, police said. He is described as a white man with a light complexion, black hair and brown eyes. He is 5 feet 10 inches tall and weighs about 135 pounds, police said. Anyone with information on his whereabouts is asked to call Chicago Police Area Central detectives at 312-747-8380.