Chicago (CBS) — A man has been arrested for a crash that killed an Illinois State Trooper three weeks ago.

Craig Dittmar, 55, is charged with reckless homicide.

(Credit: Illinois State Police)

Prosecutors say he was tired when he slammed his semi into a tractor trailer on the side of the road.

Trooper Brooke Jones-Story was struck and killed in the crash.

(Credit: Illinois State Police)