dr. hua, arthur, joey jackson and mark fuhrman join us again. dr. a, this animal sets his house on fire after he slits the throat of his family. how does the fire effect the forensics on the bodies? >> it won't effect in terms of determining the cause of death or the manner of death in this case. probably will interfere a little bit evidence collection surrounding the body. >> judge jeanine: and when you say probably a little bit in terms of what? >> collecting all the evidence surrounding the body like the microscopic evidence collection. >> judge jeanine: is there some way if you can tell if they died of a or after the fire? >> it is easy. doing the autopsy, look at airways. in you are still alive you inhale the smoke into the airway and the young will turn black. secondly the carbon monoxide. if reality it is almost like cooking abody. if the fire was quick and strong you burn the an and tier layer. >> so the fire almost preserves the internal organ for forensic evaluation? >> yes, he. >> judge jeanine: mark, this guy has no criminal record. he is