Daily mail

Don't know how true all this is. But I'd say it's too late for co-ooperation. The time for co-operation was when Madeleine first went missing. And there didn't seem to be very much co-operation then. The time for all this investigation was six years ago. Not now.

Camerons worried shitless that this is getting too near to his door.
Investigate, without fear or favour he said, no matter where it leads, he said.
Well it looks like it's leading to him and May and her specifically preferred choice of SY comissioner BHH, known supporter of the McS to the point of even fundraising for them, appointed, imo, to cover up for McS at all costs.
There's a huge difference to covering up dodgy party donations to covering up the possible death of a child.