The Commercial Diver Network
Audio tapes and surveillance video obtained by action news show exactly what went wrong the day Coalinga native Martin Alvarado and his co-worker Tim Crawford jumped in to check the trash racks at a Los Banos pumping station. Alvarado's family members say the new revelations are heartbreaking.
Pump five at the Dos Amigos Pumping Station was never shut off the morning Martin Alvarado and his dive partner Tim Crawford dove in February of 2007.
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Story: Pumping Station Drowning Investigation
Records show the divers enter the water at 10:10 that morning. At 10:23 the dive tender watches their air bubbles sweep into pump 5 and disappear.