The event will help raise funds to equip Aurora first responders with more protective gear.
The changes to FOID card enforcement come less than a month after the deadly shooting at Henry Pratt Company in Aurora.
Police say they found "rock cocaine packaged for delivery" in his car after he crashed into the elementary school.
Police say they found a .45-caliber handgun inside of the car.
Officer Chris Weaver was the top fundraiser for the Polar Plunge at Silver Springs State Park.
Ryan Elizabeth March, 4, is remembered by her aunt as being "so full of life, always laughing, smiling."
The attack caused "a deep laceration to her cheek that required 12 stitches to close."
A 5-month-old girl and a 25-year-old female were airlifted to Loyola Hospital.
Caballero was convicted of firing a gun towards a home and people who were standing in the front yard.
Emergency police calls from the deadly Aurora shooting show teamwork in the face of tragedy.
His body was found Friday by kayakers.
Reynaldo Rivera, James Zegar, John Cebulski, Marco Gomez, Adam Miller and Diego Avila faced off against the gunman at Henry Pratt.
The man was in a "position of trust" when he sexually assaulted the minor, police say.
The officer, who suffered a wound to a lower extremity in Friday's shooting, is recovering with his family.
Fire officials say a cardboard box containing hot plastic started the fire.
"Don’t take me out; I want to keep going back in," one seriously injured officer said.
"No one in our family condones anyone's life being taken ... We deeply apologize and we are praying for everyone."
Sergeant Bill Rowley added that notification that a FOID card has been revoked is "not sufficient to search somebody or somebody’s home.”
New York Street and Fox Valley Circle were closed as Aurora firefighters and Nicor responded.
"This wasn't supposed to happen in our city," Aurora police chief Kristen Ziman wrote.
Police say the car left the road and then hit a tree.
State police say Martin was "responsible for surrendering his FOID card and any weapons in his possession" after his FOID was revoked.
"We are grateful to report that all but one of our officers have been released to their families where they can begin the healing process."
Police thanked community members for "feeding our bodies, feeding our souls" in the wake of Friday's deadly shooting.
Police say the shooter should have relinquished his gun, the same one used in the shooting, when his FOID card was revoked in 2014.
Five men who worked for Henry Pratt Company in Aurora were gunned down during a termination meeting, police said.
Sen. Elizabeth Warren said she was "heartsick for the victims, their loved ones, and the brave Aurora Police Department."
Heartbreaking photos in Aurora show chaotic scene after a shooter opened fire at an industrial park earlier today.
The suspect was killed during an exchange of gunfire with police.
Mustadin Muadinov parked a two-axle box truck in front of the casino and made "threatening" statements to staff, police say.
He will spend 12 years in prison after sexually assaulting a woman in a vacant townhome, police say.
Police said Penelope is"super sweet and loves to snuggle."
The casino was evacuated Tuesday afternoon when a man made statements an employee perceived as "threatening."
Police say they seized close to five pounds of black tar heroin.
Police say the victim, Nicholas T. Rodriguez, was shot multiple times in the 300 block of Spencer Street.
Police are looking for help identifying the man in this surveillance photo.
The homeowner lit the fire and then heard a crackling sound in the ceiling before the attic caught ablaze.
He will serve 30 years in prison after pleading guilty in connection with the murder of a teen over a small amount of marijuana.
"Financial crimes are not victimless crimes," Kane County State's Attorney Joe McMahon said.
Police say the driver was wanted on a warrant related to previous meth charges.