that she saw the accident occur. >> kayfetz's reenactment told a different story. >> so this is mona crocker'soint. and what's important here is that, although the lead car ahead of her goes halfway over the center line, straddles the center line, from her viewpoint, that is never visible because it's around the curve and over the hill. >> crocker thought she could see the position of the cars. in fact, she could not. from the beginning, the critical question in the case was always, why did deputy sinclair jam on his brakes? kayfetz's dramatic re-enactment answered the question. >> now, from sinclair's viewpoint, we can see that he sees the lead secret service car straddling the center line just a bit more than a second before he begins to skid in a straight line across the highway. >> the last view is that of agent labarge just before the fatal crash. based on kayfetz's powerful reenactment and the work of brunn's team of investigators, a judge ruled that the secret service agents were partially responsible for the accident. he also ruled that the united states should reimburse mariposa count