Timecop

Logan goes back in time to 1888 in London to keep the faux Jack the Ripper from changing the future. He discovers that the faux Ripper's plan is not to repeat the original path, but to continue killing women, thus drastically changing the future.

Logan goes back in time to 1977 in New York to discover where a jewel theif hid the jewels. The detective who put the jewel thief away goes into his own past when he was 30 years younger. His younger self has not yet faced the jewel heist.

Logan goes to Hollywood, California in 1956 to stop Ian Pascoe (a.k.a. Jack the Ripper) from murdering actress Rita Lake, who will be the mother of the 44th President of the United States.

Logan goes to 1928 after Ian Pascoe abducts Hemmings to ensure he'll get his time-jumping watch back. Logan follows as he encounters danger since Pascoe has been in 1928 before and is a friend of Al Capone and Eliot Ness.

Logan goes back to 1944 posing as a Nazi soldier in order to prevent a 21st-century meddler from giving Adolf Hitler's Third Reich advanced weapon technology that will enable Germany to win the war!

A rogue timecop alters Logan's past making Logan into a wanted criminal. With the entire TEC after him, Logan must set his own past right, and expose the rogue timecop's time-tampering.