Robert E. Crimo III, 21, of Highwood | Provided Photos

A grand jury on Wednesday indicted Robert Crimo III on 117 felony charges for shooting dozens of people, killing seven of them, during the Highland Park Fourth of July parade.

Crimo, 21, of Highwood, is charged with 21 counts of first-degree murder — three counts for each victim.

The seven slain victims include Katherine Goldstein, 64, of Highland Park; Irina McCarthy, 35, of Highland Park; Kevin McCarthy, 37, of Highland Park; Jacquelyn Sundheim, 63, of Highland Park; Stephen Straus, 88, of Highland Park; and Nicolas Toledo-Zaragoza, 78, of Morelos, Mexico; and Eduardo Uvaldo, 69, of Waukegan.

Crimo is additionally charged with 48 counts of attempted murder and 48 counts of aggravated battery with a firearm for each victim who was struck by a bullet, bullet fragment or shrapnel, according to the Lake County State’s Attorney’s Office.

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Lake County State’s Attorney Eric Rinehart speaks on July 6, 2022, after Robert E. Crimo III, 21, who allegedly killed seven people and injured dozens in a mass shooting in downtown Highland Park, appeared in court for a bond hearing. | Photo: Willie Gillespie (@wgweather)

Prosecutors presented their case to a Lake County grand jury on Wednesday and the jury returned the 117-count indictment.

“I want to thank law enforcement and the prosecutors who presented evidence to the grand jury today. Our investigation continues, and our victim specialists are working around the clock to support all those affected by this crime that led to 117 felony counts being filed today,” Lake County State’s Attorney Eric Rinehart said.

Rinehart previously said that the first-degree murder charges will lead to a mandatory life sentence should Crimo be convicted.

Lake County Assistant State’s Attorney Ben Dillon said during a bond hearing earlier this month that the ATF conducted an e-trace of the rifle used in the shooting to track it to Crimo and law enforcement officers familiar with Crimo identified him after reviewing surveillance video.

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Numerous police departments and SWAT teams respond on July 4, 2022, to the area of Second Street and Central Avenue in Highland Park following a shooting that left over two dozen people injured and seven killed. | Photo: Willie Gillespie (@wgweather)

Crimo confessed to the shooting during an interview at the Highland Park Police Department and admitted to dressing up as a woman to disguise himself, Dillon said.

Lake County Major Crime Task Force Spokesman Christopher Covelli said that Crimo pre-planned the attack for several weeks.

Covelli said that Crimo used a fire escape ladder to access the roof of a building on the parade route.

Crimo admitted to “looking down his sights” of his Smith & Wesson M&P 15 semi-automatic rifle before opening fire on the crowd on July 4 near Second Street and Central Avenue in Highland Park.

Robert E. Crimo III, 21, (pictured) is taken into custody by police officers at Route 41 and Westleigh Road in Lake Forest following a police pursuit on July 4, 2022. | Photo Submitted to Lake and McHenry County Scanner

Crimo said he fired two full 30-round magazines before loading a third 30-round magazine and firing, Dillon said.

83 spent shell casings were recovered at the scene.

Crimo, who was dressed as a woman, exited the roof, dropped the rifle and escaped with the fleeing crowd, according to Covelli.

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Crimo identified himself on surveillance video and the weapon used, Dillon said.

Crimo remains held in the Lake County Jail without the possibility of being released on bond.

An arraignment hearing is scheduled for August 3.