The Mahar Arar case is the most directly comparable in recent years. The USA government makes itself immune to such suits.

https://en.wikipedia.org/wiki/Maher_Arar#United_States_lawsuit

Mahar Arar may be much more deserving, but they are both victims of the Old Harper Government leaving Canadian Citizens to be tortured in Foreign Prisons. In the Arar case he also had the benefit of a high intelligent, wel educated, eloquent, fully bilingual wife, Monia Mazigh, who kept the case before the public in both official languages.

I read a book written by a USA engineer who saw his taxes audited and assets falsely seized after he refused to sell out to the designated winner in the USA military industrial complex. He only got the fire sale value of the assets back, none of the lost good will or full value of the assets seized by the IRS. 

https://www.google.ca/#q=usa+soverign+immunity

Interstingly, USA courts rejected BC Hydro PowerEx claims of immunity as a Crown Corp.