CitiesCrimeCrimeNewsSan MarcosSan Marcos FeaturedMan pleads not guilty to murder in deaths of San Marcos coupleCoast News wire servicesNovember 10, 2026November 10, 2026 November 10, 2026November 10, 2026034 VISTA — A man accused of setting a fire that killed the San Marcos couple who rented him a room pleaded not guilty to murder,...