Update November 23, 2013--At 1 a.m., U.S. Customs and Border Protection at the San Ysidro port of entry notified El Cajon Police that they found Anne Louise Terhune.  An El Cajon Police officer met with her and at her request, gave her a ride home.  She told the officer she entered Mexico by mistake after being stuck in southbound freeway traffic. 

November 21, 2013 (El Cajon) -- El Cajon Police detectives seek public help to find a missing El Cajon woman, Anne Louise Terhune, 60. According to family members, Terhune left her home November 19 around 5:45 p.m. and said she was going to the library at 576 Garfield Ave. in El Cajon.  She was last seen driving a 2004 gold colored Mercury Marquis, four-door Sedan, California license 5KLY673. 

When Terhune did not return after several hours the family became concerned and contacted the police to report her missing. Officers were able to confirm her 2004 gold Mercury crossed the US Boarder into Mexico later that night.  According to family members it would be out of character for Terhune to enter into Mexico, said Lt. Frank La Haye.