The man allegedly hired a group of Bloods gang members to kill his father and brother last year.
Investigators believe the ship was loaded with drugs after it left its last port of call in the Bahamas. Two crew members have been arrested.
Sunny Sramek, 18, was last seen on April 20 in Trenton, Nebraska as she left with an unidentified male for a trip to Omaha. The FBI is investigating her disappearance.
The four women — three Democrats and one Republican — allege the state attorney general groped them at an annual party marking the end of the legislative session.
Deputies in South Carolina said they are looking for Smart, the one-time Carolina Panther and Las Vegas Outlaws running back.