[s7e24] Rule Fifty-one -

: Director Leon Vance takes a hard line against Gibbs’ "lone wolf" tendencies. In a show of distrust (or perhaps protective maneuvering), Vance assigns Tony DiNozzo to lead the investigation in front of the entire team, forcing Gibbs to face his professional and personal isolation.

Appears in Mexico to aid Gibbs, representing the "old guard" of justice that Gibbs is beginning to question. "NCIS" Rule Fifty-One (TV Episode 2010) - IMDb [S7E24] Rule Fifty-One

Faces a crisis of conscience when her forensic report confirms Gibbs killed Hernandez. : Director Leon Vance takes a hard line