. >> tsa watch dog jonathan corbitt says he put a body scanner to the test. >> if you have a metallic object it will be the same color at the background, invisible to visual and auto mated inspection. you can watch i walk through with a metal object. >> tsa says the stanner you used is an old scanner. >> they have new soft wear, but i tested this new version. but it doesn't matter what software is on it. this is a limitation of how they physically work. >> his findings were backed up by a team of researchers from uc san diego, university of michigan and johns hopkin who's put a moldable putty bomb-like device across the stomach and succeeded in passing through. it's believed the bomb maker behind the under wear bomb is working on a new way to get past our system. tom cane is concerned. >> the latest twist is we have not got the machinery to pick them up we know that. homeland security knows that. we're working hard to find machine that's do pick it up. they're not there yet. >> big element is how to find the new terrorists with us us and european pass ports are they on our watch lists

. >> tsa watch dog jonathan corbitt says he put a body scanner to the test. >> if you have a metallic object it will be the same color at the background, invisible to visual and auto mated inspection. you can watch i walk through with a metal object. >> tsa says the stanner you used is an old scanner. >> they have new soft wear, but i tested this new version. but it doesn't matter what software is on it. this is a limitation of how they physically work. >> his findings were backed up by a team of researchers from uc san diego, university of michigan and johns hopkin who's put a moldable putty bomb-like device across the stomach and succeeded in passing through. it's believed the bomb maker behind the under wear bomb is working on a new way to get past our system. tom cane is concerned. >> the latest twist is we have not got the machinery to pick them up we know that. homeland security knows that. we're working hard to find machine that's do pick it up. they're not there yet. >> big element is how to find the new terrorists with us us and european pass ports are they on our watch lists

. >> tsa watch dog jonathan corbitt says he put a body scanner to the test. >> if you have a metallic object it will be the same color at the background, invisible to visual and auto mated inspection. you can watch i walk through with a metal object. >> tsa says the stanner you used is an old scanner. >> they have new soft wear, but i tested this new version. but it doesn't matter what software is on it. this is a limitation of how they physically work. >> his findings were backed up by a team of researchers from uc san diego, university of michigan and johns hopkin who's put a moldable putty bomb-like device across the stomach and succeeded in passing through. it's believed the bomb maker behind the under wear bomb is working on a new way to get past our system. tom cane is concerned. >> the latest twist is we have not got the machinery to pick them up we know that. homeland security knows that. we're working hard to find machine that's do pick it up. they're not there yet. >> big element is how to find the new terrorists with us us and european pass ports are they on our watch lists