jaxon van derbeken, nbc bay area news. >>> up next, we haven't seen numbers like this in more than 50 years. we're going to break down the latest unemployment reports. >>> straight off of your car and onto the black market. catalytic converters are right now a hot commodity in the criminal community, it could cost you thousands of dollars to replace. we'll go undercover to see who's buying them and how to stop the thieves. >>> i'm chief meteorologist jeff ranieri. i'll have the latest on any travel delays, also if you're traveling in california and what you can expect for thanksgiving in a few minutes >>> okay. almost every night thieves are cutting the catalytic converters off people's cars, many times right from your own driveway. it can cost you thousands of dollars to replace. >> the catalytic converter is underneath your car by the way. so what are thieves doing with it after they steal it and how can we stop all this. chris chmura is here. >> we've got to cut this off. take a look at these photos from a handful of the police raids that we know about. cops have caught crooks with