information over a year ago. so now the question has become, did she not know what she was approving? after resignations and a contentious hearing on capitol hill, there is growing confusion over who knew what and when during the multiple years the irs was targeting tea party groups. lois lerner, who heads up the cincinnati irs office that oversees tax-exempt organizations apologized last week after admitting that her division delayed processing applications for hundreds of tea party groups. but now the richmond tea party is charging that lerner is part of the scheme she is trying to fix. >> we found what we think is kind of a smoking gun. >> reporter: larry in ordervick runs the richmond group that first filed for tax-exempt status in december of 2009. the irs sent his group two more requests for information over the next 25 months. lerner's signature is on one of those letters from march of 2012. >> the 55 questions are the ones