The undercover policing inquiry has set a deadline of 26 June 2020 for written representations from its core participants and from the media about its proposals for hearing evidence from non-state core participants about their experiences of being subject to covert surveillance by Special Demonstration Squad (SDS) officers between 1968 and 1982, and from former SDS officers and their managers about why the covert surveillance of political campaigners was authorised (Inquiry S