Philip K Dick
Summary
Los Angeles, 2019: Rick Deckard of the LAPD's Blade Runner unit prowls the steel & microchip jungle of the 21st century. His job is to track down and eliminate assumed humanoids known as 'replicants.' Replicants were declared illegal after a bloody mutiny on an Off-World Colony, and are to be terminated upon detection. He wants to get out of the force, but is drawn back in when 6 "skin jobs, " the slang for replicants, hijack a ship back to Earth....
Summary
Washington, D.C. has been murder-free thanks to astounding technology which identifies killers before they commit their crimes. But when the chief of the pre-crime unit is himself accused of a future murder, he has just 36 hours to discover who set him up.
A special police unit of people gifted with precognition keeps future crimes from happening until corruption invades their ranks.