Criminal Minds: "Honor Among Thieves" written by Aaron Zelman airs tonight and tomorrow on A&E! Agent Prentiss' mother, a foreign ambassador, enlists the help of the BAU team when a Russian immigrant is kidnapped and held for ransom. Guest starring Kate Jackson, Gina Garcia Sharp and starring Kirsten Vangsness, Mandy Patinkin, A.J. Cook, Matthew Gray Gubler, Paget Brewster, Shemar Moore and Thomas Gibson.