CHICAGO (WLS) -- A security guard taken into custody after a woman was shot and killed at a nightclub in Stone Park Saturday night has been released, police said.
Family members spoke with ABC7 and said 21-year-old Zulma Daniela Calderon Pacheco was killed when a security guard fired a shot while trying to break up a fight.
The medical examiner has ruled the death a homicide.
The death happened around 2 a.m. Saturday at the Mansion Live Nightclub, 3801 W. Lake St., in Stone Park, officials said.
A fight broke out at the nightclub around 1:39 a.m., Stone Park police said. A security guard fired one shot during the incident, striking a 21-year-old woman who was a Chicago resident.
"During the fight a security guard pulled out a gun and fired once which tragically struck and killed a 21 year old female from Chicago," a statement from Stone Park police read in part.
My mom was shaking and I was scared, and she told my uncle my sister got shot.Melannie Calderon, 15-year-old sister of victim
The woman was pronounced dead at the nightclub after she sustained a gunshot wound to the face, the Cook County Medical Examiner's Office said. The death was classified as a homicide.
Her family identified her Sunday as Zulma Daniela Calderon Pacheco.
Stone Park police said a security guard taken into custody after the shooting was released from custody Sunday night pending further investigation.
The family of Zulma Daniela Calderon Pacheco is in mourning.
"She was sweet nice, beautiful," Angel Calderon, 12-year-old brother of the victim, said.
Fabiola Pacheco, the victim's mother, is devastated and says she doesn't understand why her oldest daughter was killed.
Her mother says Zulma was like any other 21-year-old and was excited to go out with her boyfriend to Mansion Live, a nightclub in Stone Park.
The family said they are aware of the disturbing videos that have been posted on social media regarding the shooting, and hope that helps police in their investigation.
"When after that, I saw on TikTok, I was like, everyone was talking about her and I am like OK and everyone is talking about the shot that happened, Engember Ochoa, the victim's seven-year-old brother, said.
The mother of the victim said they want justice and hope that someone is held accountable in her daughter's death.
The victim's family has set up a GoFundMe page to help cover funeral costs.
Mansion Live shared the following statement Saturday evening:
"We are heartbroken by the incident that took place at Mansion Live last night. Our thoughts and deepest sympathies are with everyone touched by this tragedy, and we are doing all we can to support local authorities as they navigate this difficult time. In honor of our community and to allow space for healing, we will be closed tonight, Saturday, March 8. If you purchased tickets for tonight's event, please know that refunds will be processed automatically. Thank you for your patience and understanding as we come together to support one another."
In September 2020, a 22-year-old Chicago man was killed in a another shooting at the nightclub.
Stone Park police and the West Suburban Major Crimes Task Force continue to investigate Saturday's shooting.
No further information was immediately available.