Meanwhile, professors Sarah Gordon (Laura Fraser, Breaking Bad) and Kathy Torrance (Jennifer Spence, Travelers) are investigating a deadly bombing campaign.
In the second season, “lab assistant Emma Hedges is to give evidence against his father.
Traces is written by Val McDermid, Amelia Bullmore, and Jess Williams, and directed by Mary Nighy, Rebecca Gatward, and Chris Foggin.