scanlon superimposed computer-generated hollow outlines of devon's teeth over a scale photograph of theite mark on brandon's arm. the outer rim of the bite cast and the outer rim of the bite mark were consistent. police were convinced that the bite wound on brandon's arm was from devon guzman. but this was proof that brandon and devon fought. it was not proof of murder. >> i don't think that science in any way inculpates brandon toward a murder at all. what it proves is devon guzman bit brandon bloss, period. >> then police realized something. they had michelle's car in their possession. why? michelle was driving when she and keary found devon's body. and michelle inadvertently pulled up too close to devon's car, so close that her car was impounded as part of the crime scene. >> i don't think michelle ever dreamed that her car was going to be impounded as part of that search. >> in the trunk they found brandon's clothing and some rubber gloves. >> we find clothing, a sweatshirt, jeans, socks, shoes and underwear, and they're all consistent with a male of brandon's build, and there's blo

in september, we asked her boss, ceo mike scanlon about hundreds of thousands of dollars in paymentse to consultants out of accounts meant for insurance. errors the district first denied, then called honest mistakes. >> you insist it's a mistake when the people who made these entries say they were told to do so? >> absolutely. >> you're saying that is intentional? >> yes. i'm saying this is intentional. >> reporter: david ramires was an accountant at sam transfrom 2001 to 2012. he says he quit after getting fed up with finance managers ordering him to log fake expenses and to inflate others. he says the district kept this second set of books to keep track of the money. so this is where the money really went? >> we're talking millions now. >> reporter: ramires says this allowed finance leaders to hide millions over the years so they could later spend that money at their discretion. and avoid public scrutiny. this is something the auditors never saw? >> no, no. never saw. >> reporter: he says the extra money went into secret buckets, including buckets for the coo and cfo. to verify his