BUENOS AIRES, July 17 (UPI) -- A world-renowned Nazi hunter said Thursday he was closing in on a former SS physician who lived for decades after the war in either Chile or Argentina.

SANTIAGO, Chile, July 15 (UPI) -- A former SS physician accused of killing hundreds of inmates at a concentration camp in Austria is likely living in Chile, Israeli officials said.

JERUSALEM, July 7 (UPI) -- The Simon Wiesenthal Center is launching a final campaign to locate the world's most wanted Nazi, the Austrian physician known as Dr. Death.

BERLIN, May 2 (UPI) -- The World War II Nazi physician called "Dr. Death" tops the list of most wanted Holocaust criminals thought to be still at large and still alive, hunters said.

JERUSALEM, April 30 (UPI) -- The Simon Wiesenthal Center Wednesday released its seventh annual report on Nazi war criminals, which details the 10 most wanted fugitives.

PARIS, Oct. 15 (UPI) -- A new book published in France says a Nazi war criminal thought to be at liberty was actually hunted down and killed by a Jewish death squad in 1982.

MARBELLA, Spain, June 5 (UPI) -- Spanish police searching for a Nazi concentration camp doctor found instead a Norwegian who fought in the SS and received its highest decoration. Fredrik Jensen, 93, was arrested in Marbella, Spain, The Independent reported Tuesday.

MADRID, Oct. 26 (UPI) -- Spanish police say they are searching the Mediterranean coast for Nazi war criminal Aribert Heim, who has been on the run for more than 40 years.

BERLIN, Aug. 30 (UPI) -- Aribert Heim, the notorious Nazi doctor wanted for carrying out experiments on live Jewish concentration camp prisoners, may be alive and in Germany.

BERLIN, Aug. 30 (UPI) -- A fresh hunt is on in Germany for the sadistic Nazi concentration camp doctor Aribert Heim who killed thousands of Jews with brutal experiments.