pressure. reporter: yeah, from a lot of directions, from al qaeda and also from congress. even as americans are seeing new emerging threats with reports of al qaeda s new, more advance underwear bomb the tsa today will be put under new scrutiny as congressional investigators examine the mammoth tsa bureaucracy and whether it is a hindrance to effectively protecting the american public. house transportation committee chairman john mica is concerned that the tsa grown to top heavy unmanageable agency and evidenced by 400% increase in workforce since founding. to affirm his concerns it now come to light in an abc report millions of dollars worth of explosive detection equipment going unused sitting in a warehouse in grapevine, texas. among the security equipment uncovered by investigators, 473 baggage scanners and 54 explosive detection systems. $184 million worth of equipment sat idle more than nine months even as nearly 300 airports across the