Coofer Cat : Should the Police have Shot Jean Charles de Menezes? (London Terror Bombings related)

"There are clearly two sides to this:

1) Yes, the police had no choice. After all, this guy was followed leaving a known terrorist tower block, he was wearing heavy clothes on a hot day, he was wearing a rucksack, and he ran further into a tube station after police told him they were armed and that he should stop.

2) He committed no crime, and he was innocent, yet was killed.

Aside from the simplicity of the justification of (2), how could things have been done differently?" (more at link)