NCIS S07E06:

Outlaws and In-Laws

IMDb 7.9 60 min/episodeRelease:2003
Gibbs's boat, which he gave to Franks, drifts, with two bodies aboard, into the Naval Station at San Diego. Vance and the team investigate. Franks and two relatives show up at Gibbs's house. The gang solve the case and make an arrest.