Research: Would cops notice a gun on the dashboard during a traffic stop?
Almost all police officers likely would predict they would immediately observe a handgun if it were set on the dashboard during a traffic stop. However, a study conducted at the University of Illinois Police Training Institute involving 100 recruits (during the first four weeks of training) and 75 veteran officers found that many officers in both groups failed to notice a gun at any point during a simulated stop.
7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063