Zulma Daniela Calderon Pacheco, 21, of Chicago had been killed early Saturday at the Mansion Nightclub in Stone Park after being shot in the face, officials said.

Additionally, "Axel" sent adult pornography to the girl ... Investigators were able to trace Calderon through his IP address. Call records, messages and other communication were also pieced ...

Calderon Pacheco, 21, of Chicago, was killed Saturday at the Mansion Live nightclub in Stone Park after being shot in the face, officials said. Her death was classified as a homicide by the Cook ...