Maureen died at the age of 86 on December 7, more than four decades after her hero husband was gunned down in the line of duty.
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Three years later, The Superintendent Gerald Richardson Memorial Youth Trust was set up to help under-25s, particularly those with disabilities.
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The road leading to the Blackpools new police headquarters in Mereside was named after him and officially opened by Maureen last year.
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Maureen, a former Revoe Primary School teacher, became heavily involved in keeping her husbands legacy alive.