BBC News
By Craig Lewis
image copyrightSouth Beds News Agency
image captionJeff, Helen, Xing and Alice Ding were murdered by Anxiang Du on 29 April 2011- the day of the wedding of the Duke and Duchess of Cambridge
A family of four was murdered in their own home on 29 April 2011 by a killer eventually traced to Morocco after a 14-month manhunt. Ten years on, the permanent legacy of hope left behind by the Ding family can still be seen.
Visitors to Caroline Chisholm School, in Northampton, are greeted by a sea of daffodils.
They were planted to celebrate the life of a former pupil who lit up the school with her hard work and talent.