Tabiest Hearton, 23, of Beach Park, (pictured) was arrested by officers after they found him with a loaded AR-15 at the scene of a large house party in Antioch Saturday. | Provided Photos

A Beach Park man has been charged after he was found with an AR-15 with a drum magazine loaded with “penetrator rounds” during a massive party with more than 300 people in Antioch.

The Antioch Police Department responded around 10 p.m. Saturday to a loud noise complaint involving a large party in the 200 block of Ida Avenue in Antioch.

Officers arrived and were met by a crowd exceeding 300 people, according to Village of Antioch Communication Manager Jim Moran.

“Safety and order were the priorities of first responders. Officers optimized available manpower to ensure the large crowd safely dispersed with minimal damage to neighboring property and minimal threat to public safety,” Moran said.

The partygoers initially refused to disperse and created an unruly scene throughout the neighborhood.

Almost a dozen police agencies were called to the scene. It took over four hours for the crowd to fully disperse from the area.

Prosecutors said Tabiest Hearton, 23, of Beach Park, was stopped by police after they witnessed him collide with another vehicle and try to flee.

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Officers found Hearton was in possession of an AR-15 that had a loaded 50-round drum magazine.

Moran said the magazine was loaded with green tip .223 rounds, known as “penetrator rounds,” which have enhanced ability to pierce through targets.

The gun was found after officers detained Hearton because he kept reaching during the traffic stop.

The weapon was found on the floorboard of his vehicle and had the safety disengaged, Moran said.

Hearton was charged with three counts of aggravated unlawful use of a weapon, a Class 2 felony, and one count of unlawful possession of a weapon by a felon, a Class 3 felony.

Court records show Hearton is a convicted felon and is currently on probation for a previous felony weapons charge.

Moran said the party was thrown by the same people causing similar disturbances in other communities throughout Lake County. The party was organized by people from outside of Antioch.

Antioch Mayor Scott Garter said he commends the work of the first responders for ensuring the safety of the community.

“Once again, our police department, along with the help of numerous other police agencies, worked to ensure order and safety for our residents,” Gartner said.

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“This type of lawlessness will not be tolerated in our community. We stand behind our police department with the support and resources they need to do their job,” the mayor said.

In addition to the arrest, numerous citations were issued to the homeowner and occupants of the house where the party was held.

Citations include social hosting, disorderly conduct and several other property code violations.

Hearton faces up to 12 years in prison if he is found guilty.

He appeared in first appearance court on Sunday and a judge ordered him held for a detention hearing after prosecutors filed a petition to detain him pending trial. The detention hearing is scheduled for Tuesday afternoon.

Antioch Police Chief Geoffery Guttschow said more charges could be forthcoming in the incident.

“Any property owner in our community that allows these types of lawless and dangerous events to take place will be subject to the full resources of our department and legal team,” Guttschow said.

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“We support our residents having fun and want to encourage holding events in a safe and controlled manner and within lawful boundaries. The acts at this party infringed on neighbors’ rights to feel safe and secure in their homes, which we as a community cannot accept,” Guttschow added.

Detectives are combing through video to identify other possible suspects who may have also “contributed to lawlessness,” Moran said.

The Antioch Police Department was assisted by nine other police agencies, including the Illinois State Police, Lake County Sheriff’s Office, Lindenhurst Police Department, North Chicago Police Department, Waukegan Police Department, Mundelein Police Department, Gurnee Police Department, Grayslake Police Department and the Lake Villa Police Department.

Anyone with additional information related to the incident, including those with security camera video or anyone who has been the victim of an unreported crime, should call the Antioch Police Department at 847-270-9111 or email