HOWELL, Mich. -

Raulie Casteel The man suspected in a shooting spree targeting motorists along Interstate 96 will appear in court Wednesday in Howell.

Raulie Casteel, 43, of Wixom, is to undergo a forensic competency and criminal responsibility examination in Livingston County's 53rd District Court. The Michigan Attorney General's Office has filed terrorism and other new charges against Casteel.

The office announced in December that it was taking over the cases at the request of prosecutors in Livingston, Ingham and Shiawassee counties, three of the four counties where the shootings were reported.

More: Michigan AG's office to prosecute roadway shooting suspect

Casteel was charged with seven felony counts alone for the Livingston County attacks.

In Oakland County, Casteel was charged with 60 counts for the incidents alleged to have occurred in that county. 

Complete coverage: Roadway shootings