<Li> 20 Oct: Silcott released after serving 17 years for the murder of Anthony Smith . </Li> <Ul> <Li> Dec: Scotland Yard reopen the investigation; DS John Sweeney in charge . </Li> </Ul> <Li> Dec: Scotland Yard reopen the investigation; DS John Sweeney in charge . </Li> <Ul> <Li> Sept: Archaeologists dig up garden, Willan Road, Broadwater Farm; retrieve possible murder weapon . </Li> <Li> Oct: Blakelock's overalls retrieved from Scotland Yard's Crime Museum . </Li> </Ul>

Who were the three rioters going to kill