Cold case homicide detectives Thursday turned to the public for help solving the 2002 murder of a 27-year-old motorist who was shot while trying to flee a party melee in La Quinta.
Hernan Marquez of Indio was fatally wounded as he left a residence in the 52200 block of Avenida Mendoza, near Calle Sonora, according to the Riverside County Sheriff’s Department.
The agency published a “public assistance needed” notice via its web portal and social media channels, saying that despite investigative efforts going back to the date of the attack — Aug. 11, 2002 — no clues had surfaced that might confirm the identity of Marquez’s killer. The case has long since gone cold…