Zulma Daniela Calderon Pacheco, 21, of Chicago, was fatally shot March 8 at the Mansion Live nightclub in Stone Park by a security guard, officials said.

The lawsuit alleges Mansion Live failed to properly train and supervise security guards and allowed security to carry a firearm when it was unsafe.

A security guard was charged Monday in the shooting death of a 21-year-old woman inside a nightclub in the west Chicago suburb of Stone Park, Illinois earlier this month. Kevin Henley Jr., 35, of Chicago's South Side,