Episode 4

S1 E4: As the search for Fionn begins, Christian suggests that Fionn's frequent travels to Surat, India, may point to a diamond connection. DNA evidence identifies the Antwerp bomber as a Colombian thief who supposedly died in a Bogotá prison days before the bombing. The earlier Brussels bomber was also Colombian, and when Emer spots a photo of a third Colombian, she believes he is their next bomber.