>> perhaps sensing something fishy, the smooth-talking john speeds off before officers can stop him. >> i don't think we'll be able to catch that vehicle. he's gone on trout. unless one of the black and whites are on troupe, disregard. >> with the casino john lost to rush hour traffic, the decoy hits the track. >> battery changed out and uc back out. she is walking northbound. >> within a matter of seconds, an old ehrmann in a gray suv waives the decoy over. >> $40, yeah, for -- what do you want? $40 will get you sex. >> she's talking to a guy in a silver denali. uc room, do you copy. howard? nice to meet you, howard. >> do you see room, do you copy? >> as the undercover officer and her senior citizen date make their way to the room, detective charlie has trouble reaching his