Police have arrested a suspect in Marseille , France , in connection with the shooting deaths of three people May 24 at the Jewish Museum in Brussels , Belgium , Belgian federal magistrate Wenke Roggen said Sunday . French prosecutor says Mehdi Nemmouche was radicalized by Islamist teachings while in prison . Suspect was detained with bags full of items related to the killings , prosecutor says . An Israeli couple from Tel Aviv and a French couple died in June 24 shooting . The shooter also killed a museum worker .
French prosecutor says Mehdi Nemmouche was radicalized by Islamist teachings while in prison . Suspect was detained with bags full of items related to the killings , prosecutor says . An Israeli couple from Tel Aviv and a French couple died in June 24 shooting . The shooter also killed a museum worker .