parts on it. >> almost exclusively to the admission of others. >> car accidents you might know kus on the speed of the car coming at you and forget about other cars around you? >> correct. >> is that unnatural in your experience as law enforcement? >> it's typical. >> when you go to the scene of an accident or anything that you investigate do you find in your experience that people often have tunnel vision views of what happened to them? >> sometimes very specific, correct. >> does that mean they're lying? >> not at all. >> why is that? >> it's been proven it's typical. sometimes they will focus on one event to the exclusion of others. >> how about their ability to recount events with any particular clarity at all? >> i'm going to object it's beyond the scope? >> sustained.