Iowa police arrest a driver who possesses marijuana, but does not possess a valid driver's license; a Missouri traffic violator admits to smoking marijuana; a deputy in Florida responds to a call concerning a knife robbery at a cell-phone store.

Las Vegas police try to curb prostitution by having a cop pose as a cabbie looking for hookers, while other undercover officers pose as prostitutes; in Texas, a driver caught in a compromising position can't recall the name of his supposed girlfriend.