George Smith vanished after a night of revelry, initial suspicion falling on his wife. However, the FBI quickly shifted focus to a group of young men – the last people to see him alive.

Nearly a month before her wedding, 28-year-old Niqui McCown vanished, leaving her fiance and a close male colleague under police scrutiny.

A man awoke in a mountainous forest in Shimane prefecture in July with no identification, no memory, and a bag containing 600,000 yen.