[GEaston]

A few of reasons:

1) Injected medicine doesn't cause an immediate unconscious state.
2) most medicines including insulin are not injected into the inner arm at the elbow.
3) I've known heroin addicts and diabetics.

Even if you want to play devils advocate and give him the benefit of the doubt. Let's say he was injecting water...... the results at noon on a weekday are pretty shocking, and aren't what you see in the average church yard.

I don't see a lot of point in arguing the obvious. What would be better would be a discussion around what the mayor /police / social services and council should be doing about it. This is a governance issue.