really the only evidence that they could find were these scant traces on a knife that belonged to amanda knox's boyfriend and found in his flat. the dna evidence on the blade that supposedly belonged to the victim was not blood dna. there is nothing else besides what they have. if it turns out there is nothing there or it is so inconclusive you have to ask the question what is there to uphold their convictions. >> okay. michelle, thanks so much. new this morning, the company in charge of security in a pennsylvania mall says it fired one of its security guards for leaking the video you are about to see. she was walking and texting at the same time and it quickly became one of the most viewed videos on youtube. now the woman and her lawyer are threatening legal action. does she have a case? welcome to you both.