Car alarm Car alarm A car alarm is an electronic device installed in a vehicle in an attempt to discourage theft of the vehicle itself, its contents, or both. Car alarms work by emitting high-volume sound (often a vehicle-mounted siren, klaxon, pre-recorded verbal warning, the vehicle's own horn, or a combination of these) when the conditions necessary for triggering it are met. Such alarms may also cause the vehicle's headlights to flash, may notify the car's owner of the incident via a paging system, and may interrupt one or more electrical circuits necessary for the car to start. Although inexpensive to acquire
John A. Horn 1996 from the University of Virginia School of Law. John A. Horn John A. Horn is an American attorney. Currently with the law firm King & Spalding, he is a former United States Attorney for the Northern District of Georgia. During his 15-year tenure with the U.S. Attorney's Office in Atlanta, Horn served as deputy chief of the Narcotics & Organized Crime Drug Enforcement Task Force, then Appellate Division chief and first assistant U.S. attorney under Sally Yates. Horn became acting U.S. attorney after then-President Barack Obama nominated Yates as Deputy Attorney General. When Horn's term expired in December 2015,