david hartley

emergency management public safety enforcement government police criminal justice homeland security criminal investigations policy counterterrorism patrol evidence crime prevention law enforcement operations emergency services investigation firearms interrogation firefighting first responder incident command wildfire investigation backcountry tracking father drug eradication tactics disaster response weapons of mass destruction crime scene investigations hostage negotiator homicide investigations criminal intelligence swat crime scene field training officer private investigations police training evidence collection physical security field training surveillance arson background checks intelligence analysis weapons security operations workplace violence law enforcement nims