THE TOP COP

Head of Counterterrorism at the Met Anne Sampson, played by Gina McKee, is furious at being cut out of the train attack probe.

Did she leak the travel schedule to Apsted, the sniper? And why did she get Budd to spy on Montague?

“She may be motivated to discredit, but I don’t think she’d be driven to murder,” Matt says. MURDERER MARK: 1/10