Documentary investigates Cornwall murders
An investigation has shed new light on the motive behind the brutal murder of a family in Cornwall 12 years ago.
Lee Ford murdered his wife Lesley and her four children and buried their bodies at their home in Carnkie in 2000. It's been revealed that the killer had been sexually abusing his eldest step-daughter.
A documentary produced by ITV Studios for the Sky Crime Channel tonight speaks to psychologists about the revelation.