Investigative journalist Jarosław Ziętara failed to arrive at the newspaper offices in Poznan, 1992. A former officer claims that he saw Ziętara being dragged into a car by two men. He is still missing.
Joyce Helen Malecki, 20, disappeared on November 11, 1969. Her body was found two days later in a body of water at the soldier park training area at Fort Meade.
Danielle Friedland, 36, went missing from a Houston airport after she was released from the Menninger Clinic for mental health treatment. The mother of two is originally from California.
A body has been found face-down in a river during the search for a missing Indiana elementary school teacher, who vanished while on vacation in Puerto Rico.
The Alaska Triangle is at the center of thousands of disappearances, twice the national missing person rate, which have been blamed on mysterious phenomena in the area.
The pilot of the $100M F-35 that vanished for over a day parachuted into a South Carolina back yard after a malfunction forced him to eject from the aircraft.
Michael, 13, was last seen at around 5.15pm on Saturday August 19 at his home address in Hatfield, Hertfordshire. He has links in Bedfordshire, Essex and London.
Police have safely located a missing 18-month-old girl who went missing on Thursday afternoon. She was last seen in Pumicestone Street, Bellara at 4.24pm wearing a blue shirt.