Sadie Hartley murder: CCTV of evidence hidden at farm

Two women have been found guilty of murdering Lancashire businesswoman Sadie Hartley.

Ski instructor Sarah Williams and her accomplice Katrina Walsh, both from Chester, were convicted of murdering the 60-year-old businesswoman on 14 January.

Senior investigating officer Paul Withers, from Lancashire Police, explains how Walsh tried to destroy the incriminating evidence at a farm.