A man woke up outside a Burger King and claimed to have ‘amnesia’. Years later, a new documentary suggests a sinister past

Benjamin Kyle, later identified as William Powell, stands on a Colorado mountain in an attempt to regain his memory - (Investigation Discovery)

He was found naked and unconscious behind a Burger King in rural Georgia – a man with no wallet, no identification and, he claimed, no memory of who he was.

For years, the mystery man known as “Benjamin Kyle” haunted investigators and fascinated the public.