141 investigations into unintended acceleration and closed 112 of them without any action. i spoke to joan claybrook who is now professor emeritus of the safety watchdog, public citizen. >> they found an easy out in my view on this by just blaming the driver. but any driver who puts their foot on the accelerator by mistake will take their foot off the accelerator rather than jamming it on the floor and keeping it there till they have a crash. that's just not reasonable. >> we contacted nhtsa about this charge. a spokeswoman there issued a statement saying, quote, safety is our top priority and we're committed to getting to the bottom of these unintended acceleration issues. that's why we're undertaking a new comprehensive revoo that will look at a wide range of possible causes of unintended acceleration including potential electronics problems and that is at the heart of toyota's issues which toyota denies that it's a widespread electronics problem. >> there's a longstanding issue