The Outer Limits (1995) - S02E01 - A Stitch in Time - full episode

At least 17 men have been executed in the last two decades without a clear motive, with the same gun. FBI Special Agent Jamie Pratt has to find how some of those murders were carried out when the gun had not yet been made.
(1995)

Cast
Amanda Plummer - Dr. Theresa Givens
Andrew Airlie - F.B.I. Agent Corey Lonn
Michelle Forbes - F.B.I. Agent Jamie Pratt
Brian Arnold - Newscaster
Sam Vincent - Jerome Horowitz(as Samuel Khouth)
Adrian G. Griffiths - Warren(as Adrian Hughes)
Kendall Cross - Allison Morris
Corrie Clark - Young Theresa Givens
William MacDonald - Mugger(as William McDonald)
Brent Sheppard - F.B.I. Agent #1(as Brent JD Sheppard)
Rob Morton - F.B.I. Agent #2
David Longworth - Robert Beck
Gary Jones - Duncan
Sharon Alexander - Angry Woman(as Sharon Holownia-Alexander)
Mar Andersons - Student
Kevin Conway - The Control Voi

Director: Mario Azzopardi
Writers: Steven Barnes, Leslie Stevens