According to an officer investigating the 47-year-old's death he could have clashed with a protester "dressed in police uniform" before he collapsed at the G20 demonstrations on 1 April.
Equally he could have clashed with a man from Mars cunningly disguised as a police officer ~ the "Could Haves" are endless but very very unlikely.
We have come a long way from George Dixon (Of Dock Green) and I for one don't like it.