These topics include firearms, for which they mostly consult Lt. Al Normandy of the South San Francisco Police Department, and explosives, for which they consult retired FBI explosives expert Frank Doyle and Sgt. J.D. Nelson of the Alameda County Sheriff's Office.
Topik-topik termasuk senjata api, yang mereka kebanyakan berkonsultasi dengan Kepolisian San Fransisco, dan bahan peledak, yang mereka berkonsultasi pensiunan ahli bahan peledak FBI Frank Doyle dan Sgt. Nelson JD dari Kantor Alameda County Sheriff.