Craig Allen Peyer was a rogue California Highway Patrol

California Highway Patrol

The California Highway Patrol is a law enforcement agency of the U.S. state of California. The CHP has patrol jurisdiction over all California highways and also acts as the state police....

 officer convicted of the 1986 strangulation murder of 20-year-old motorist Cara Knott, a student at San Diego State University

San Diego State University

San Diego State University , founded in 1897 as San Diego Normal School, is the largest and oldest higher education facility in the greater San Diego area , and is part of the California State University system...

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On the night of December 27, 1986, Cara Knott was driving south on Interstate 15 from her boyfriend's home in Escondido to her parents' home in El Cajon, California

El Cajon, California

-History:El Cajon is located on the Rancho El Cajon Mexican land grant made in 1845 to María Antonia Estudillo, wife of Miguel Pedrorena. In 1876 Amaziah Lord Knox , a New Englander who had recently moved to California, established a hotel there to serve the growing number of people traveling...

, when Peyer, on duty in a marked CHP patrol car, signaled Knott to pull off the freeway on an isolated offramp.