HISTORIC CRIME It was originally a missing persons case. Sian Blake, 43, and her two children, Zachary, eight, and Amon, four, had left their home in Erith, southeast London, on 13 December 2015, and not been seen since.
Shortly afterwards, Sian's sister Ava received a text from Sian saying she needed time away to deal with some recent devastating news. Sian had motor neurone disease, and a few days earlier, she had been told she only had a year to live. The text read, “I'm taking time to myself and my children without constant opinions from family and friends. I have had enough of appeasing everyone. We are away and I will not be calling or speaking to anyone for a few months.” However, it didn't sound like Sian –…