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未解之谜
The series' third season opens with a report on sightings of a bright orange fireball that crashed in Pennsylvania and was reportedly removed under military supervision; a woman's first meeting with her biological father; an arsonist's home movies.
Segments: a murder attempt on a former Florida mayor; an Arkansas family's search for a long-lost brother; a five-plane Navy patrol's 1945 disappearance over the Bermuda Triangle; an antidrug activist's shooting.
Reports on the search for a Bakersfield, Cal., physician; the FBI hunt for a robbery gang suspected in armored-car holdups in Minnesota and Baltimore; and the disappearance of a Spokane electrician
Segments on the 1976 murder of a New Yorker who may have known too much about an organized-crime ring; a case involving the infilitration of Government computers and private phone lines.
Reports on the search for Nazi treasures buried near the Austrian-Swiss border; the disappearance of a movie producer's adult son in Beverly Hills; the search for an escaped convict; the disappearance of a boat and crew headed for Haiti.
Reports on a series of child-molestation cases; a Tennessee family's search for a missing sibling; a series of bizarre murders in a small town in New Hampshire.
Segments include the story of a South Carolina couple whose home withstood the destruction of 1989's Hurricane Hugo after their reported encounter with a ghost; the disappearance of a La Jolla, Cal., financial analyst in the El Paso desert.
New evidence in the 1937 disappearance of Amelia Earhart; the search for the murderer of a Woodstock, Ill., family; a climatologist who accurately predicted seven earthquakes in the past decade.
Repeat segments from the past three seasons include reports on Nazi war criminal Rudolf Hess; the murder of race-car driver Mickey Thompson and his wife Trudy; and supposed findings of intelligent life on Mars. Unexplained Death: Mickey Thompson (UPDATE)
The FBI probe into the 1965 murder of a black lawman in Louisiana; an update on a series of 1988 arsons; a policeman's nine-year search for his two sons; the hunt for a ""cowboy"" bank robber in Arizona and Washington.
Segments: the fatal shooting of a Massachusetts youth; the disappearance of a 4-year-old on a picnic in Montana; the murder of a truck driver at an Oklahoma rest stop; a reunion of two childhood friends.
The possible wrongful conviction of a Missouri man with the murder of a 79-year-old woman, which later resulted in a confession from a Kansas inmate.
Reports on the search for an assailant in the shooting of a North Carolina secretary; the murder of a pizza deliveryman and the subsequent finding three years later of the gun in a pawnshop; the unclaimed fortune of a deceased British socialite.
The search for a ""casanova killer"" who wooed then murdered women; a Florida man's search for his brother, who reportedly died in Vietnam but who may still be alive.
Unanswered questions involving the death of a 28-year-old nurse found in a North Carolina pond; a woman's search for her father, reportedly involved with the CIA.
Reports: a five-plane Navy patrol's 1945 disappearance over the Bermuda Triangle; a murder attempt on a former Florida mayor; the search for suspects in the shooting of an anti-drug activist. (Repeat)
A new segment probes the reopening of a murder case following anonymous phone calls to Florida police insisting the victim is still alive. Also: repeat reports on the experiences of three sets of identical twins; a policeman's hunt for his partner's killer.
Reports on the 1989 death of a Spokane teen; the FBI probe into the murders of a Bethesda, Md., Government worker's wife, three sons and mother; the apprehension in Albuquerque of two Federal fugitives.
Reports on the search for a man whose wife and two stepdaughters were murdered in Las Vegas in October; the FBI search for a bank robber who twice escaped from prison.
A report on the FBI hunt for a coldhearted con man wanted for bilking women. Also: a repeat segment on sightings of a bright orange fireball that crashed near Kecksburg, Pa., in 1965.
