Nancy Pexton, 70, stabbed sister Jennifer Abbott, 69, and left her body to decompose in Camden flat for three days
A woman has been found guilty of murdering her sister by slashing her neck before making off with her diamond-encrusted gold Rolex watch.
Nancy Pexton stabbed her sibling Jennifer Abbott 10 times and then left her body for three days in her flat in Camden, north London, a court heard.