 Complete the following phrase:  Dr. Victor Olisa QPM is a retired senior police officer who served in the Metropolitan Police in London, England. He served as borough commander in the London Borough of Haringey. Olisa was appointed borough commander in March 2013 in a decision made at the highest level of the force during the run-up to the inquest into the death of Mark Duggan who had been shot dead by police in the borough in 2011. Duggans death led to large-scale civil unrest in Tottenham, north London which, in turn, escalated to 