Lake County Sheriff's Office Detention Deputy Herbert "Bert" Cole was killed in a head-on collision on Saturday morning.
Riverdale Police Department Sergeant Maxim Kalkstein died unexpectedly on Dec. 22.
Henry County Police Officer Michael Smith died in the line of duty early Friday morning.
Mercer County Sheriff's Office Detective Pablo Santiago served his department for 14 years.
Newman Police Department Corporal Ronil Singh was murdered in the line of duty early Wednesday morning.
Palm Beach County Sheriff's Office K9 Cigo still managed to reach the gunman, despite being mortally wounded.
LMPD Det. Deidra "Dee Dee" Mengedoht was conducting a traffic stop when a semi truck plowed into her patrol car.
Cincinnati Police Sergeant Arthur Schultz served his department for 28 years.
Cook County Sheriff's Office Corrections Officer Zachary Perry was killed in a a three-vehicle collision on Monday.