So you’ve figured out how to time-travel. Don’t abuse your new skill by messing up the timeline! Irresponsible space-time shenanigans can have a devastating effect on you and the future—which is why so many sci-fi stories have law enforcement agencies ready to intervene when things start careening off the rails.
Read more…
Source : 10 (Mostly) Effective Time Cops From Sci-Fi Movies and TV
