The 22-year-old person of interest connected to the Highland Park Independence Day parade mass shooting that left at least six people dead and approximately two dozen others "seriously injured" Monday morning has been arrested, police said.
Police said 22-year-old Robert "Bobby" E Crimo III was taken into custody following a brief police pursuit that ended in north suburban Lake Forest.
Authorities said Crimo's vehicle was located in north Chicago and officers attempted to stop him before he fled the scene, leading police on a brief pursuit before coming to a stop.
He was taken into custody "without incident," police said. and he was taken to the Highland Park Police Department for questioning. No charges had been filed as of late Monday night.
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The shooting happened at 10:14 a.m. CT in the area of Central Avenue and 2nd Street in downtown Highland Park during the city's Fourth of July parade, authorities said.
In separate social media videos, several gunshots could be heard, followed by a pause and another round of gunfire. In some videos, more than 50 shots are heard.
Anyone with photos or video of the incident is being asked to turn them in to police.
"We're asking anybody with any video surveillance that they may have, please review your cell phones," Lake County Sgt. Christopher Covelli said. "If you were snapping pictures in the area of Second and Central today, that could help investigators. They may see something in there that may be useful and allow them to proceed further with the investigation. Any business owners in that area we're asking, please, review your video surveillance. If you have any video surveillance of that area at that time, even if you don't see anything in there, we would love to be able to take a look at that so we can further our investigation."
Around 2 p.m. CT SWAT team members were seen escorting people from the businesses where they were sheltered in place.
NorthShore Highland Park Hospital said in a statement that the facility is treating 26 people, five of whom were transported to NorthShore Evanston Hospital.
"A vast majority suffered gunshot wounds and the remaining sustained injuries as a result of the ensuing chaos at the parade," NorthShore Highland Park Hospital said.
Illinois Gov. JB Pritzker asked for prayers for the families of the deceased and for those who were injured in the shooting.
"There are no words for the kind of monster who lies in wait and fires into a crowd of families with children celebrating a holiday with their community," Pritzker said in a statement. "There are no words for the kind of evil that robs our neighbors of their hopes, their dreams, their futures. There are no words I can offer to lift the pain of those they leave behind. Please know that our state grieves with you, that MK and I grieve with you."
Dr. David Baum, who attended the parade, helped treat those who were injured in the shooting.
"The bodies that I saw, it was not an image that anyone who's not a physician would have an easy time processing," said Dr. Baum.
"There were people who were immediately killed with horrific gunshot wounds."
A large police presence from the state and neighboring suburban Chicago departments was seen along the parade route.
Larry Bloom, who was in the area when shots began, said at first spectators thought the "popping" sound was part of the parade.
"You heard like a 'pop, pop, pop,' and I think everybody kinda thought maybe it was a display on one of the floats and then it just opened up," Bloom said.
"I was screaming and people were screaming," Bloom said. "They were panicking and they were just scattering and I, you know, we didn't know. You know, it was right on top of us."
The public was asked to avoid downtown Highland Park as police responded to the shooting "in the area of the Independence Day parade route," the Lake County Sheriff posted on Twitter.
"STAY OUT OF THE AREA - allow law-enforcement and first responders to do their work," the sheriff posted.
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