A memorial to the victims of the July 4, 2022, shooting in Highland Park. (WTTW News)

Robert Crimo III, 22, appeared in court during a brief management hearing Tuesday. Lake County prosecutors outlined the extensive discovery evidence they are continuing to compile and turn over to the defense.

A file photo shows a crime scene blocked off by the Chicago Police Department. (WTTW News)

Police were called to Highland Park High School following a report of a student with a gun. The school was locked down Tuesday; no shots were fired.

A memorial to the victims of the July 4, 2022, shooting in Highland Park. (WTTW News)

According to an affidavit, the alleged gunman charged in last year’s Fourth of July shooting in Highland Park told FBI agents he mulled the possibility of deploying explosives in the attack.

(WTTW News)

Guns classified by the state of Illinois as "assault weapons" have been banned since Jan. 11. That means that hundreds — perhaps thousands — of guns can no longer be legally sold in Illinois. Those who already own guns and ammunition covered by the ban can keep them; they must be registered with the state.

FBI investigators examine the scene in downtown Highland Park on July 5, 2022, a day after a mass shooting occurred at the Fourth of July parade. (WTTW News)

Robert Crimo, Jr., 58, pleaded not guilty to seven counts of felony reckless conduct during a brief hearing Thursday, one day after a Lake County grand jury indicted him on those charges.

A memorial to the victims of the July 4, 2022, shooting in Highland Park. (WTTW News)

The indictment charges Robert Crimo Jr., 58, with seven counts of reckless conduct. Prosecutors have said he helped his son, Robert Crimo III, obtain a gun license years before the shooting in Highland Park, even though the then-19-year-old had threatened violence.

Illinois lawmakers are pressing forward with an attempt to ban certain firearms they describe as assault weapons, but gun rights advocates say it’s a fruitless effort that will be tossed by the courts.

A memorial to the victims of the July 4, 2022, shooting in Highland Park. (WTTW News)

Robert Crimo Jr., 58, looked somber and tired in his first appearance before a judge since voluntarily surrendering to police Friday. His lawyer told the judge Saturday that the father of three would be able to pay the required bond amount for his release.

FBI investigators examine the scene in downtown Highland Park on July 5, 2022, a day after a mass shooting occurred at the Fourth of July parade. (WTTW News)

Lake County State’s Attorney Eric Rinehart announced Robert Crimo Jr. — the father of Robert Crimo III — was arrested Friday and charged with seven counts of reckless conduct.

A memorial to the victims of the July 4, 2022, shooting in Highland Park. (WTTW News)

The proposed legislation would ban the future sale of a list of guns defined as assault weapons. While the bill is many stages away from becoming law, leading Democrats are committed to its passage.

FBI investigators examine the scene in downtown Highland Park on July 5, 2022, a day after a mass shooting occurred at the Fourth of July parade. (WTTW News)

Last week, state Rep. Morgan, D-Deerfield, introduced a wide-ranging gun control bill that would prevent the future sale of what the measure describes as “assault weapons,” as well as large-capacity magazines and devices that can switch other firearms into machine-gun style guns.

Highland Park Mayor Nancy Rotering appears on "Chicago Tonight" on Oct. 10, 2022. (WTTW News)

It has been three months since seven people were killed and 48 others were injured in a shooting at Highland Park's Fourth of July Parade.

Cooper Roberts (Provided by family)

Three months after he was seriously wounded during the Fourth of July mass shooting in Highland Park, 8-year-old Cooper Roberts has returned to school, his family said in a statement Monday.

Local, state and federal police work the scene of a mass shooting at a Fourth of July parade in Highland Park, Ill., Monday, July 4, 2022. (Tyler Pasciak LaRiviere / Chicago Sun-Times via AP, File)

The lawsuits filed by people wounded while attending the Highland Park parade and the estates of several victims are the latest bid by victims of mass shootings to hold gun manufacturers accountable, despite broad protections for the industry in federal law.

This handout photo provided by The Roberts family shows Cooper Roberts who along with his twin brother and parents attended the July 4 parade in Highland Park. (The Roberts Family via AP)
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Cooper was shot in the back, and the bullet ripped through his body, severely damaging his aorta, liver, esophagus and spinal cord before exiting through his chest. He was taken first to Highland Park Hospital where he underwent a life-saving surgery, then spent in-patient stays at Comer Children’s Hospital and Shirley Ryan Ability Lab in Chicago.

Various guns are displayed at a store on July 18, 2022, in Auburn, Maine. (AP Photo / Robert F. Bukaty, File)

The poll by the University of Chicago Harris School of Public Policy and The Associated Press-NORC Center for Public Affairs Research shows 71% of Americans say gun laws should be stricter, including about half of Republicans, the vast majority of Democrats and a majority of those in gun-owning households.