duane deaver had been fired from his job and some of the state's critical blood evidence would be inadmissiblery badly compromised because of deaver. he was all over the crime scene. >> reporter: and there was another important victory for peterson's side. >> what types of services did you perform? >> oh wow, that's -- that's pretty broad. >> reporter: brad, the male escort, a sensational centerpiece of the prosecution's case, wouldn't be part of a second trial either, a judge said. the escort had been revealed in a search that was deemed illegal. >> the search warrant that resulted in the seizure of the computer was found to be invalid. >> reporter: furthermore, that dramatic trial within a trial about michael's long-dead friend in germany? well, a change in north carolina state law regarding the admissibility of evidence meant a second jury might not hear that story either. >> the male escort is gone, the death in germany is gone, the expert blood testimony is gone. you're left with the autopsy pictures. >> reporter: yeah? >> the medical examiner's testimony. and maybe the prosecution's theo