In 1982, one year after the Soviet submarine U-137 had been found beached in Swedish waters, the Swedish government claimed to have captured another submarine in its waters. As time went on and no submarine turned up the shouts for proof grew louder and luder.
On February 28, 1986, Palme was killed by a shot to the back, at very close range. His wife, Lisbet, was wounded by a second shot. There were several witnesses to the assassination, but none of them got a good look at the gunman.