SKOKIE, Ill. (AP) — A Wisconsin man has been indicted for allegedly causing the death of an Illinois state trooper who was helping victims in a multiple-vehicle highway crash.

Cook County prosecutors accuse 61-year-old Scott Larsen of Kenosha of causing the January accident on Interstate-294 near Northbrook that claimed the life of 34-year-old Trooper Christopher Lambert.

READ MORE: CPD Prepares For Possible Protests; Inspect General's Report From 2020 Unrest Says CPD Was 'Unprepared'

Authorities say Lambert was headed home when he pulled over and got out of his squad car to respond to a three-vehicle crash. A car then struck him.

READ MORE: Kenosha Police Officer Rusten Sheskey Returns From Administrative Leave, Faces No Internal Discipline For Jacob Blake Shooting

Prosecutors say Larsen is charged with reckless homicide of a police officer and with violating Scott’s Law.

Scott’s Law refers to Chicago Fire Department Lt. Scott Gillen, who was struck and killed in 2000 while assisting at a crash on a Chicago expressway. It requires drivers to slow down and yield to stopped emergency vehicles.

MORE NEWS: Family Of Adam Toledo Reviews Police Body Camera Video Of Teen's Fatal Shooting

Copyright 2019 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.