Authorities have publicly identified four people who lost their lives to San Diego County traffic crashes over the first three weeks of the new year. On Saturday, two people died when a tow truck struck a disabled sedan on Interstate 5 in the far northern reaches of the county, according to the Medi cal Examiner’s Office. Killed at the scene of the wreck near Aliso Creek Rest Area were 64-year-old Los Angeles resident Elliot Freier, who had been driving the car, and his passenger, Cora Perez, also 64, according to the county agency, which did not release the latter victim’s community of residence. About 13 hours earlier, a 21-year-old pedestrian was fatally struck by a car on Interstate 8 in El Cajon. Naryon Esplain of Kaibeto, Ariz., was walking on the freeway near Mollison Avenue for unknown reasons when a westbound 2021 Toyota Venza hit him shortly before 1:30 a.m. Saturday, according to the medical examiner and California Highway Patrol. Esplain died at the scene of the crash. On Jan. 5, Robert Sheehan, 63, was gravely injured in a motorcycle crash at Ted Williams Parkway and Twin Peaks Road in his hometown of Poway, according to the medical examiner. Paramedics took Sheehan to Palomar Medical Center in Escondido, where he died 11 days later, the county agency reported. ...read more read less