On the Blue Bloods episode “Down the Rabbit Holes,” NYPD detective Danny Reagan (Donnie Wahlberg) receives a taunting message from serial killer, Thomas Wilder (Louis Cancelmi). The message is found on the body of the killer’s latest victim. The cat and mouse chase becomes even more personal when Wilder disguises himself as a cop. Reagan gets the help of FBI Agent Adam Schaeffer.
Agent Adam Schaeffer is portrayed by Michael Beach. He’s known for his roles on The 100 (Charles Pike), Secrets and Lies (Arthur Fenton), The Blacklist (Morrison), The Game (Roger Keith), Sons of Anarchy (Taddarius Orwell “T.O.” Cross), Crisis (FBI Director Olsen), The Client List (Harold Clemens), Third Watch (Monte Parker), and ER (Al Boulet), among many others. Blue Bloods airs Fridays at 10pm on CBS.