Is Mugabe in total control?

This is a good sign; even members of his party have sniffed the air and are getting ready, at a considerable personal risk, for a quick exit before the end:

'Govt clean-up callous and inhumane' ZANU PF central committee member Pearson Mbalekwa resigned from the beleaguered ruling party on Friday in protest against the government's ongoing "clean-up" operation, which has left millions of people homeless and without any means of livelihood.
Mbalekwa, a former Central Intelligence Organisation (CIO) operative, said he "dropped" his resignation letter in Zanu PF national chairman, John Nkomo's office on Friday morning.

Zimbabwe