When detective Valeria Chavez ( Christina Vidal) answers franks question about feuding she replies "like the hatfields and mccoys"
Bill Paxton played Randall McCoy in the 2012 history channel mini series HATFIELDS AND MCCOYS.
Early in the episode when Detective Chavez is describing the gang feud to Frank in the gymnasium, she states they are fighting like the "Hatfields and the McCoy's", Bill Paxton starred in a mini series about the Hatfield's and McCoy's.