A clue from social media that changes the entire course of a murder investigation. The all-new 20/20 “Road Map to Murder” premieres Friday, May 30th at 9/8c on ABC Network. Stream on Hulu.

or at least one human that we know of so far - Fanning! Before unveiling the trailer for the film, which was played exclusively for CinemaCon, the actress teased a bit of the movie's plot.