U.S. Spy Agencies working with 1,000 Nazis

[Sharu]

I think, New York Times is quite serious source. 

What is your opinion, was cooperating with Nazis a right move from USA or not, both technically and ethically?

http://www.nytimes.com/2014/10/27/us/in-cold-war-us-spy-agencies-used-1000-nazis.html?smid=nytnow-share&smprod=nytnow&_r=1