ah, well, enter fleinhardt.e you, by any chance, heard of a study from the university of sheffield, in england? now they're using mathematical techniques to extrapolate full boot and shoe prints from partial samples. (phone rings) larry, that'd be great, man. there'll always be an england. sinclair. okay, thanks. (sighs) they just found frank fisher. (door opens) hey, do you have a minute to, uh, take a look at something? secret spy stuff? i'm kidding. what is it? well, i'm trying to track down the grill on the car from the cold case hit-and-run 'cause the same grill was on the car that frank fisher was driving when it hit the coffee shop. and that's got to be more than a coincidence, right? well, yeah, i mean, you know, it's possible that fisher could have just found the grill at a junkyard, but, yeah, i'm hoping that there's more to it, although... i know you really don't put much stock in hope, do you? colby, there have been math problems i've worked on that have gone unsolved for hundreds of years, so believ