A murder mystery dating back to 1879 has been finally resolved aftera skull unearthed in BBC legend David Attenborough's garden was formally recognised as that of a woman murdered by her maid 132 years ago. Julia Martha Thomas, a wealthy widow aged 55, was killed by her 29-year-old housekeeper Kate Webster very close to Park Road in well-to-do Richmond, but her head was never found. The case became known as the 'Barnes Mystery', which gripped London at the time.