This is an all-new look at what's real and what's SF on CSI, and upcoming developments. Can you ID a suspect from his body odor? The bacteria on his hands? Can you pinpoint Time of Death using nose hairs? What's up with brain scans? Can you use an MRI to convict a murderer who hasn't said a word? Can you use them to tell who's lying, and who's not? Can you ID a sociopath from a brain scan? A genetic scan? Both? Then what? What about thermal imaging and detecting "malintent" on the part of travelers at the airport, or spectators at a race?