Find out what Briggs' finale actions will mean for a potential fourth season Graceland's Paul Briggs has crossed the line. . . again. 'NCIS: LA' Season 7 Spoilers: Will Sam Shoot At Callen [POLL]? LL Cool J Teases 'Strained' Premiere Relationship There have been many times over the last three seasons when we've declared the residents of Graceland have officially past the point of no return, but "No Old Tigers" capped off season 3 with a transgression that Briggs will be hard pressed to blot from his record.