Duke of Sussex's visa records will remain a secret despite his past drug use, after a Conservative think tank lost a lawsuit.

The conservative Heritage Foundation isn't giving up on its battle to learn whether the U.K.'s Prince Harry got preferential treatment when being approved for a visa to live in the United States. The group is considering an appeal of a judge's ruling Monday that the Duke of Sussex,

An American think tank has labelled the ruling that the details of Prince Harry’s US visa application should remain private "suspicious.”