A police photograph of a of taxi is projected on a screen during a news conference about Aaron Driver, a Canadian man killed by police on Wednesday who had indicated he planned to carry out an imminent rush-hour attack on a major Canadian city, with Royal Canadian Mounted Police (RCMP) Deputy Commissioner Mike Cabana (L) and Assistant Commissioner Jennifer Strachan in Ottawa, Ontario, Canada, August 11, 2016. REUTERS/Chris Wattie