They Call Me Mister Tibbs!

John Hillerman's first movie.

Jessica Fletcher searches for a woman who witnessed the murder of a man trying to expose a serious flaw in a top-secret government satellite code.

Murder, She Wrote: South by Southwest features intelligence agency, big brother, witness protection, train, murder witness, amateur sleuth, villainess, fbi agent, secret code, train travel, navajo indian and reunion style.