Eminem's longtime publicist has opened up about the recent theft of his unreleased tracks by a former sound engineer Joseph Strange. Strange is under federal indictment on charges of stealing and selling the rapper's unreleased material on the Internet.

Rapper Eminem said "significant damage was caused" and his team is "appreciative" after his former longtime employee was charged with leaking his unreleased music online.

A former sound engineer for award-winning rapper Eminem—also known as Marshall Mathers—was charged on Wednesday with stealing the rapper’s unreleased music and selling it for Bitcoin, according to federal prosecutors.