details about how bad wiring in the pool of a vacation home appears to have killed tech executive jim trammell. can that gasket ever leak? >> yeah, it can. after time it goes bad. it's rubber. >> reporter: one of these might have prevented the death. jim parlet, who builds and restores pools for a living, is continually amazed that more pools do not have these grounding wires. >> i'm surprised more people haven't gotten electrocuted because of old pools not being grounded. >> reporter: a problem that now appears to be getting needed attention, but only after a tragedy. wayne freedman, "abc7 news." >>> in oakland today, pedestrian safety took center stage. "abc7 news" followed police out in full force cracking down on drivers who are not stopping for pedestrians. the man you see right there, a decoy, there to test if drivers would stop. and that white car just violated the law. if someone is in a cross walk, you must yield to that person. >> since we've been out here, we've been getting a lot of positive responses and question hope to do this again some day. >> oakland police cited numerous dri