Was Callen put in the frame for what happened in a joint case with the NCIS and the ATF?
That was addressed on NCIS: Los Angeles Season 9 Episode 22 when he was summoned to appear before the ATF Internal Affairs board.
Meanwhile, the NCIS investigated the murder of a federal prison inmate who was the adopted daughter of a counterfeiter.
Was her death linked to her father's business?
Use the video above to watch NCIS: Los Angeles online right here via TV Fanatic.
Get caught up with all the latest twists as another season comes to a close.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.