i want you to respond to something warren redlick told me last night on this very topic.it's difficult for a drunk person to pull it off. i've heard people call my method foolproof, and i would say, no, it's not foolproof, and it's not drunk proof either. it's actually somewhat difficult. it's not very difficult but you have to be patient, silent and follow instructions and those are three things that drunks are not good at. gerri: so he says that a drunk wouldn't be able to use this to put this in the window of his car and just wouldn't have it together enough to do it. do you believe that? >> oh absolutely. once you're impaired, you're impaired. and following instructions sometimes aren't always the best thing to be able to do -- is. gerri: well, that would seem to argue against the checkpoints being effective. if a drunk person cannot put this in the window of their car then, you know the only people who would do it are people who are not impaired, right? >> well ask the question again because i want to make sure that i answer it correctly when you're asking -- gerri:

warren redlick has created fliers for a number of states including california that read, i remain silent. no searches. i want my lawyer. he says you should put the flier up to the window along with your license and registration for officers to read. he claims this is a legal argument meant to protect sober drivers from being falsely arrested. >> common complaint that i hear is you are helping drunk people get away with it. using this car requires you to be silent, patient and follow instructions. those are tree things that drunk people are jen. ly not good at. >> if they have somebody to hide, i don't -- i'm not for it. >> many groups, including madd, say the signs provide a legal loophole that may allow drunk drivers to get away with breaking the law potentially putting other drivers at risk. >>> napa county firefighters are standing watch to make sure large barn fire does not flare up again. the 4,000-square foot barn is in the southwest napa area near the sonoma county line. fire crews received an emergency call just after 8:00 last night. it took them close to an hour to contain the

he's warren redlick of -- redlick.e says i remain silent -- the sign says i remain silent, i want my lawyer. you print out the flier, you leave it in your car and when you approach a sobriety checkpoint, you put the flier up against the window and you don't say anything at all to the cops. he also says hold up your license and rental straks against the window or put it in a plastic bag. the cops take a look at it and will likely let you there. this is meant to protect sober drivers from being arrested. he has plenty of clients against that. >> the most common complaint i hear, you are helping drunk people get away with it. using this requires you to be silent, parent and follow instructions. those are three things that drunk people are generally not good at. >> they have somebody to -- something to hide. i'm not for it. i have kids and i don't think they wouldn't mind, you know, going through a checkpoint. >> reporter: many groups including madd, several law enforcement agencies say it's a legal loophole that may allah