Any documentation of this? Please provide references.
One cat, in 1991, that’s all I found.
http://articles.chicagotribune.com/1991-05-30/news/9102180218_1_john-lydick-radioactive-cat-iodine
check local Livermore library newspaper archives- O I was eyewitness to this. There will be no official govt reports on radioactive cats but maybe something in the Livermore paper coz they found plutonium in the playgrounds in Livermore 1970`s.