The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.

Derrick Perry, a United States Marine veteran, confronted a knife-wielding man in the parking lot of the Traverse City ...

Derrick Perry says he's no hero for helping subdue Bradford James Gille, who faces terrorism and assault charges for ...

Derrick Perry speaks with ABC News on Good Morning America./ABC News(TRAVESE CITY, Mich.) -- A former Marine who helped ...