Illinois State Police release details on chase and capture of Rockford shooting suspect


The Illinois State Police have released details in the chase and capture of the man accused of killing a McHenry County Sheriff’s Deputy in Rockford on Thursday.

According to police, Floyd Brown, 39, was spotted around 10:45 a.m. by a Illinois State Trooper on I-39 at Milepost 8. 

Police chased Brown at speeds up to 100 miles per hour in bad weather and road conditions. Police say Brown displayed a rifle during the pursuit.

ISP officers struck Brown’s vehicle on I-55 at Milepost 132.5, causing him to lose control and crash into a ditch.

Police say Brown tried to leave the vehicle, but re-entered the car and barricaded himself inside for 6 hours.

Additional officers, SWAT, and crisis negotiators were called to the scene.

At approximately 5 p.m., police say they were able to take Brown into custody.

He was treated for minor injuries sustained in the crash. Brown is currently in the custody of the Illinois State Police and will be turned over to the Federal Bureau of Investigation.

“First and foremost, we would like to extend our deepest condolences to the McHenry County Sheriff’s Office and the family of Deputy Keltner,” stated ISP Acting Director Brendan F. Kelly.  

“The men and women of the Illinois State Police, including responding Troopers from District 16, District 1, District 15, District 6, District 8, and District 9, all responded with seamless professionalism alongside the law enforcement of this state. ISP’s SWAT team in particular showed incredible tactical restraint, bravery and boldness today. This dark day has come to an end, and this defendant can now be brought to justice,” concluded Acting Director Kelly.  

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