CCTV footage shows Sarah Williams driving to Sadie Hartley's home on the night of the murder
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Sadie Hartley murder: CCTV of killer driving to scene

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 a CCTV camera captured Williams driving to Ms Hartley's home in Helmshore before she incapacitated her with a stun gun and stabbed her more than 40 times.