So, when dealing indictments are "UNSEALED" that's basically a "handing down" of the charges for Court action. As officers of the court, police effect the arrest of the indicted individual only upon issuance of a warrant. So, these indictments will still have some early legal hurdles to surpass. Since we're dealing with celebrities, they'll have mega legal representation. Could take decades to resolve in our already bogged down court system.
Good thing GITMO got a fresh coat of paint. :)