Thames Valley officer PC Andrew Harper remembered three years on from his death
Police forces and organisations across the country are remembering the roads policing officer who was killed on duty in Berkshire.
Pc Andrew Harper
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'Harper's Law' comes into force after receiving Royal Assent
Lissie Harper campaigned for the law after her husband, PC Andrew Harper, was killed while he responded to an attempted burglary.
My husband would want me to find happiness, says policeman's widow
Lissie Harper is ready to "move forwards" and retire from public life when Harper's Law makes it onto the statute books.