E. Raymond Capt, an archeologist from the 1960's through to the 1980's, researched all of the Middle East and East and West European burial sites, monuments, libraries and proved beyond a doubt that Israel, both the 10 so-called lost tribes (who were not lost in the manner of unknown, but lost as in separated from the other tribes, Judah and Benjamin), migrated all through those nations, and today are mostly found among the Western European advanced nations, the British Isles and primarily America, USA.

https://www.youtube.com/watch?v=xAMRvGWnybI

Heirs of the Promise, - The "Lost: Tribes of Israel   E. Raymond Capt