Update: Security guard held in connection with Roscoe Village homicide is released by cops

Mario Dingillo | Warren Cemetery

Investigators have released a security guard who they were questioning in connection with the shooting death of a Wisconsin man early Sunday in Roscoe Village. Police said the investigation is continuing.

The 30-year-old guard turned himself in at Area North police headquarters shortly after the shooting left Mario Dingillo, 29, dead about one block away.

Police said someone shot Dingillo during a brawl on the 2300 block of West School around 3:20 a.m. Police took several witnesses from the scene in for questioning.

But CPD said on Tuesday that the security guard is no longer being held and no charges are filed against him. As recently as Monday evening, a police department spokesperson told CWBChicago that charges against the guard were “pending.”

A night out and a brawl

Vito Dingillo told WGN-TV on Sunday that his brother went to Roscoe Village to wrap up a night on the town at Blue Light, a bar at 3241 North Western. The tavern’s name is a nod to the many blue lights visible across Western Avenue on the Area North police headquarters parking lot.

The shooting followed a fight that began outside the bar.

A witness told WGN, “Mario Dingillo…started the fight after he was denied entry into the bar because he didn’t meet the dress code. That witness says Dingillo tried to grab the bouncer’s weapon.”

But Vito Dingillo denied that version of events, telling the TV station, “He didn’t even have anything to do with the original altercation. He walked into a big mess that was happening from the bar. He never even made it to the bar.”

Bullets struck Dingillo in the chest, abdomen, and left arm. He died about 45 minutes later at Advocate Illinois Masonic Medical Center, according to medical examiner records.

Vito told the Chicago Tribune that Mario Dingillo was licensed to carry a concealed weapon in Wisconsin, but that his brother would never carry a gun while in Chicago. 

CWBChicago reported exclusively on Sunday that police found an empty holster, but no gun in Mario Dingillo’s possession after the shooting. 

Vito Dingillo said his brother “may have been wearing an empty holster,” the Tribune reported.

Dingillo was married with two children. An online obituary states he worked as a truck driver and “enjoyed fishing and his guns, he loved his family, but especially his wife and children.”

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CWBChicago was created in 2013 by five residents of Wrigleyville and Boystown who had grown disheartened with inaccurate information that was being provided at local Community Policing (CAPS) meetings. Our coverage area has expanded since then to cover Lincoln Park, River North, The Loop, Uptown, and other North Side Areas. But our mission remains unchanged: To provide original public safety reporting with better context and greater detail than mainstream media outlets. Our editorial email address is news@cwbchicago.com