April 13th, 1976.

Jessup, Maryland. Ralph Sigler, a 47-year-old chief warrant officer with the US Army,

is found dead inside a motel room after an apparent suicide, and it is believed that he electrocuted

himself. For years, Ralph had been working in espionage as a counterintelligence agent who

provided classified information to the Soviet Union, but since he has fallen under suspicion for

failing several polygraph tests, the Army concludes that Ralph elected to take his own life.

However, Ralph's family discovers a number of discrepancies, including some unexplained

injuries on his body, to make them suspect Ralph was tortured before he was murdered,

but the actual truth about what happened remained shrouded in controversy. After that, the trail

went cold.

Hello everyone and welcome to our latest episode of the trail went cold. I'm your host

Robin Warder, and today we're going to be covering a unique story involving spies and espionage,

the unexplained 1976 death of Ralph Sigler. You might be familiar with this case from

unsolved mysteries, as it involves a chief warrant officer from the Army who spent several years

working as a double agent by intentionally providing disinformation to spies from the Soviet Union.

However, things eventually reached the point where the Army began to suspect that Ralph had been

supplying secrets to the Russians that he wasn't supposed to, and just as they were about to start

investigating him as a possible traitor, he was found dead inside a motel room of an apparent

suicide. But Ralph's method of suicide, which involved wrapping wire around his arms and

electrocuting himself, was so unusual that his family doubted the official cover story and

believed there were enough discrepancies to show that he was actually the victim of foul play.

Ralph's wife and daughter would spend years attempting to uncover the truth about what happened

...