Watch Hannibal Online. FBI Special Investigator Will Graham, who is haunted by his ability to empathize with serial killers and mentally re-create their crimes with vivid detail, is drawn into the investigation of a series of missing college girls by Special Agent Jack Crawford, who has special interest in Graham’s ability. Crawford and Graham interview the parents of the latest girl to go missing, only to discover that she has been returned to her bedroom and Graham suspects it is an apologetic gesture on behalf of the killer. As Graham struggles to create a profile, Crawford enlists the help of noted psychiatrist Dr. Hannibal Lecter