Dolores Barajas of El Paso, Texas, United States has died. She was 53.

On August 10, 1980, Barajas was supposed to go to the Fairmont Hotel in Denver, Colorado, USA where she was employed. It was her last day of work and she was preparing to return home to El Paso.

While walking to work that day, Barajas was attacked and fatally stabbed. She was found lying in the road near Pearl Street and East 17th Avenue in Denver.

No other details about Barajas’s murder were released. Authorities have yet to name a suspect.

Months before the murder, Barajas moved from El Paso to Denver, Colorado to visit family. She temporarily worked in the cafeteria of the Fairmont Hotel in Denver.

El Paso was incorporated in 1873. The city’s incumbent mayor Thomas “Tom” D. Westfall, 53, assumed office in 1979.

Born in Decatur, Illinois, Westfall attended Millikin University in Decatur and the University of Illinois Urbana-Champaign in Urbana, Illinois. Before becoming the mayor of El Paso, she worked for the Federal Bureau of Investigation as an agent for more than two decades.

Anyone with information about the murder of Dolores Barajas is asked to contact the Denver Police Department.