Clifford is the establishment's scapegoat. He's got too much dirt on too many people and this is a good opportunity to get rid of him.
Several videos of Clifford admitting covering up sex abuse scandals for senior politicians have been sent to the Met, but they don't seem to be targeting anybody big.
Clifford, Rolf Harris, some unknown comedian who was friends with Gary Glitter. These minor showbiz celebs are just to keep the ignorant masses shocked yet satisfied.