About Elementary Season 6, Episode 13 : Breathe

Holmes and Watson investigate the poisoning of a relocation expert and discover the man led a decades-long secret career as a contract killer before his death. Watson's path to adopting a child suffers a setback as she prepares for a home visit from her agency case worker. Guest Stars: Nana Mensah, Lesli Margherita, Joaquim de Almeida, Paul Collins, Shawn Cortel, Jeremy Brena,