The other was his bombing list for using nukes on Japan. The field commander narrowing down the list elected to NOT bomb the ancient Japanese capital of Kyoto ~ yet McCloy seems to have been involved in putting Kyoto on the list. He also got involved in sending Japanese-American children and women to our own concentration camp system ~ which he might even have thought up on his own.
Seriously, FDR already promoted the guy!~
McCloy was also intrumental in seeing that many jailed Nazi’s got out of prison early or weren’t executed.
If you read the history of the Magic intercepts, there was a lot bad going on with those of Japanese ancestry in the U.S. during the early days of WWII, and known interaction with Japanese military/intelligence.
Magic: The Untold Story of U.S. Intelligence and the Evacuation of Japanese Residents from the West Coast During WW II