In the 2002 science fiction movie "Minority Report," Tom Cruise’s character leads a futuristic police unit that prevents crimes based on mutated humans called "precogs" who "previsualize" crimes via visions of the future. In other words, the precogs predict where and when something bad is going to happen. Far-fetched? Maybe not, at least when it comes to “previsualizing” cancer. Here we talk to computational biologist Hannah Carter, PhD, who can use data from a person’s inherited genome to help predict where their future tumor might show up, how it might behave, and how it might best be treated. For more on her work, read http://ucsdhealthsciences.tumblr.com/post/166848190360/what-a-persons-immune-system-says-about-their