“A lot of people in Scotland know about Peter Manuel.

“But I don’t think many people of my age would be aware of the depth of his crimes.

“It was really shocking when I started looking into it.”

Line of Duty star Martin Compston talking to me about his role as killer Peter Manuel in new three part drama In Plain Sight.

Starting on ITV at 9pm next Wednesday (Dec 7).

It tells the story of police detective William Muncie’s quest to bring Manuel to justice.