Chicago Chief of Police John McWeeny, taken by a Chicago Daily News photographer in 1911 and possibly published in the newspaper. McWeeny vowed to devote the entire Chicago police force to find the killer of Elsie Paroubek, aged five, who disappeared a few steps from her home on April 8, 1911, and was found dead a month later. Chicago Daily News negatives collection, DN-0057767. Courtesy of Chicago History Museum.