UNSOLVED: Who killed Jill Dando?

In the first of a new series, Mark Williams Thomas, the man who uncovered the Jimmy Savile scandal, investigates what really happened in some of the country’s most memorable UNSOLVED cases.

In an exclusive interview, the woman who found the body of TV presenter Jill Dando tells us what she thinks happened to the much-loved TV presenter, and Mark hears from a former hit man who says he knows who killed Jill Dando.