the victim's families are there, and the defense attorney has to cross examine takes no pleasure in that either. autopsy reports are very revealing in terms of cause of death and how it happened, the manner in which it happened. >> tom, how key are these early hou hours. does it get more difficult or doesn't it matter much that the identity isn't known early on? >> well, often in fugitive cases, if you don't apprehend fugitives in the first couple hours, and it has to go into a longer fugitive investigation, it becomes more difficult and can take a long time. i would like to add to what joey was saying. the autopsy and forensic work on the officer's body would reveal are there other person's dna on him, hair follicles on him, was the gunshot received from a different gun.