mr. kreeger.hese two morgue attendants are the first to admit they live for death. >> it's considered taboo, definitely generally in our society. it used to be that way up until recently. but i find it interesting, because it is the number one universal in life. 100% of the people die 100% of the time. >> working in the morgue has taught me that tomorrow's no guarantee. i could walk out the door and get hit by a bus. i can take care of myself, exercise, still might die of a heart attack tomorrow. it's not my choice. >> the front door was locked. side door -- >> also here this morning is the investigator who attended yesterday's death scene, renee deegle. she shows dr. spitz the photograph she took of mr. kreeger so he can visualize the scene and begin to formulate a hypothesis. >> this is where the bifold door was. he's got blood coming from here. but no blood anywhere. not in his underwear, not dripping down his legs. >> he broke both bifold doors off their hinges and kept going down the stairs a