Which country in the world has the most powerful agents?

Israel’s Mossad

“Mossad” was formed with the development of the “Zionist” movement and the establishment of the State of Israel. Before the independence of Israel, there was a secret Jewish military organization "Haganah" (meaning "Defense") in Palestine. This organization was specifically and organized to secretly purchase weapons, smuggle weapons and organize illegal immigration from Jews in Palestine. was established, and what collected intelligence for these activities was a "Shaya" intelligence agency affiliated with the "Haganah". After the establishment of the State of Israel in 1948, the "Haganah" was replaced by the "Israel Defense Forces", and 6 weeks later, "Shaya" was added to the event:

Specialized in hunting down Nazis who escaped after World War II.