ON a freezing February night in 1993, Keith Hall made a chilling “confession” to an undercover policewoman about his missing wife Pat.
As they talked behind the steamed-up windows of a car, he calmly told the officer he had strangled her before throwing her body in an incinerator.
Astonishingly, a jury was never allowed to hear the recorded “admission” at his trial and Hall walked from court a free man.
But the judge later took the unprecedented step of publicly releasing the tape — prompting three decades of speculation over what really happened to Pat, who has never been found.
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