Anthony J. Bielecki, 19, of Arlington Heights, (inset) is charged in connection with a stabbing that left a woman injured in the 600 block of Lorree Lane in Lake in the Hills on August 13, 2022. | Background Photo: Google Street View

A grand jury indicted a 19-year-old man on an attempted murder charge for allegedly stabbing his mother in the back in Lake in the Hills, causing a serious injury, court documents show.

The incident happened around 12:30 p.m. on August 13 in the 600 block of Lorree Lane.

The Lake in the Hills Police Department and Algonquin-Lake in the Hills Fire Protection District responded to the residence after receiving a call of a stabbing.

The suspect reportedly called 911 and told dispatchers he stabbed his mother with a knife, according to emergency radio traffic.

Officers located a female victim and requested medical assistance, Lake in the Hills Police Department Communications Coordinator Rachael Ruiz said at the time.

The Algonquin-Lake in the Hills Fire Protection District arrived, assessed and transported the woman to Northwestern Medicine Hospital in Huntley for further treatment.

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Officers were told that the suspect, Anthony J. Bielecki, had retreated into the residence where he had been staying with the victim, Ruiz said.

Officers secured the exterior of the residence and were able to make contact with Bielecki, 19, of the 700 block of North Arlington Heights Road in Arlington Heights.

Bielecki was still inside and police ordered him to exit the residence, Ruiz said. He complied and surrendered without further incident.

Bielecki was taken into custody and transported to the McHenry County Jail.

A criminal complaint said the victim is Bielecki’s mother and that she had been stabbed in the right upper back area with a knife.

The woman suffered “great bodily harm” and sustained a collapsed right lung, the complaint said. Her condition was not released.

The McHenry County State’s Attorney’s Office initially approved charges of aggravated domestic battery, a Class 2 felony, aggravated battery with a deadly weapon, a Class 3 felony, and aggravated battery, a Class 3 felony.

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A grand jury earlier this month charged Bielecki with attempted first-degree murder, a Class X felony, in addition to his other charges.

Bielecki pleaded not guilty to the charges during an arraignment hearing last week.

Bielecki remains held in the McHenry County Jail on a $500,000 bond. He would need to post $50,000 cash in order to be released.

A status of trial date hearing is scheduled for October 24.