NCIS S06E14:

Love & War

IMDb 7.9 60 min/episodeRelease:2003
Two kids find the disemboweled body of a missing Navy captain; Gibbs and company investigate; Ducky finds a pentagram impressed into the victim's back. Another man dies. The team put the pieces together, and Gibbs and Tony nab the bad guy.
Director: Terrence O'Hara