 In February 2007, the Crown Office asked Lothian and Borders Police undertake a full inquiry after receiving a preliminary report, which was scaled up in May 2007, with the number of officers assigned to the case doubling to 20.During late 2006 and early 2007, the police interviewed several SSP members and other witnesses, and seized computing equipment that had been used to type the minutes of SSP meetings.In December 2007, Tommy Sheridan was charged with perjury.