TRUE CRIME

Married To A Psychopath, 10pm, Ch4 THIS two-part documentary tells a gripping story that was made into drama The Widower, starring Reece Shearsmith (watch on ITV Hub). DI Charles Henry was based in rural Scotland, where he didn’t have much to do. But when Malcolm Webster began his campaign of marriage and murder, Henry put in the extra hours to bring this vile predator to justice.