It's a murder which has shocked a quiet community and puzzled detectives. But today a 10 thousand pound reward was offered to catch the killer of a grandmother battered to death as she stayed at a friend's luxury home.
Valerie Graves was found dead at the waterside property in Bosham near Chichester on December 30th. She was staying there over Christmas with her mother, sister and sister's partner.
Police say a hammer found near the house was used to kill Valerie. Sarah Cooper reports.