All You Had to Do was Stay

When the BAU get called to a case after four women are found dead in East Allegheny, JJ is thrust into the limelight when her now retired Police Chief father is the prime suspect. JJ knows things that could get him sent down for a long time, but there's also the small problem that nobody else in the East Allegheny Police Department believe that Chief Jareau could ever be guilty of such heinous crimes.