Jennifer Winter
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Cristobal Palacio 'smiled' as he shot Paul Winter

6 August 2012 Last updated at 11:01 BST

The widow of Kent man Paul Winter, who was murdered by her former husband Cristobal Palacio, said the killer smiled before he began shooting.

Jennifer Winter said she and her two children watched as Mr Winter, originally from Tunbridge Wells, Kent, was shot six times, including twice in the back.