David Ames Klinger (born June 8, 1958)[1] is an American criminologist and former police officer.
Louis, as well as a senior research fellow at the Police Foundation.
[2] On July 25, 1981, four months after joining the LAPD, he shot and killed a suspect.
[3][4] The suspect, Edward Randolph, was in the process of attacking Klinger's partner, Dennis Azevedo, by leaping on top of him with a knife and trying to stab him in the throat.
His Ph.D. thesis was entitled Human ecology and law: an observational study of police behavior.