Sigma Chemical Co. in St. Louis gained notoriety after the Oklahoma City
bombing for making the artificial scents used to train dogs that helped find
dead bodies amid the rubble.
According to Discover magazine, the company makes these smells:
Pseudo Corpse I (for a body less than 30 days old)
Pseudo Corpse II (more than 30 days old)
Pseudo Drowned Victim
Pseudo Distressed Body (for a person still alive but in shock)
Also ... Pseudo Burned Victim is in the works.