Person of interest in Brown University shooting served in Army, worked at Arlington National Cemetery

By Curt Devine, John Miller, Evan Perez, Allison Gordon, Yahya Abou-Ghazala, CNN (CNN) — The person of interest detained in connection with the Brown University shooting, identified by law enforcement sources as Benjamin Erickson, is a decorated soldier who had served in a position at Arlington National Cemetery, according to his LinkedIn profile. Erickson, a