robert bobb went to see the victims.at visiting a student who was shot outside of a public school was not listed as one of the conditions in your contract. >> no, it wasn't. but these were my kids. >> reporter: adding to the mess, there's brazen theft. so far this school year, thieves like these, seen on surveillance video, have stolen nearly $800,000 worth of computers. and corruption has been rampant for years. >> case number 0923. >> reporter: this woman was a teacher's aide. >> your honor, i want the court to be aware that this is a violation of public trust. >> reporter: but she was part of ring that embezzled more than $50,000 from the schools. she pleaded guilty to fraud. >> i'm sorry that it happened. >> reporter: her sentence -- probation. it's just one of more than 260 cases involving all sorts of wrongdoing that robert bobb's investigators have taken on in an effort to crack down. so you've found embezzlement, fraud, no-show jobs, double-dipping. are you an administrator or are you a law enforcement official?