He should be tried for manslaughter, as his actions regardless of intent, killed someone. It would also show that even the Police aren't above the law and they must abide by it as they try to enforce it.
Regarding Ian Tomlinson's actions, if he had been actively provoking, hurling abuse or fighting with the police, then while the police officer should still answer for what he has done, it would provide a different angle and there would be motives and justification for the Pc's actions, but there is none.
Unfortunately there are many police officers out there to beat people and who use it to appease their need to feel superior and act out that superiority on innocents. But that does not apply to all - but unfortunately when Police do things such as this and seem to get away with it, it doesn't help the public opinion.
Regarding Ian Tomlinson's actions, if he had been actively provoking, hurling abuse or fighting with the police, then while the police officer should still answer for what he has done, it would provide a different angle and there would be motives and justification for the Pc's actions, but there is none.
Unfortunately there are many police officers out there to beat people and who use it to appease their need to feel superior and act out that superiority on innocents. But that does not apply to all - but unfortunately when Police do things such as this and seem to get away with it, it doesn't help the public opinion.