Canada: Police train to handle train crisis.
Arizona: Police probing officer's shot fired at standoff.
Arizona: TPD officer accidentally fires his gun during East Side robbery investigation.
New York: Police pledge range safety.
California: Police shooting leaves woman dead.
Georgia: Police shooting ruled suicide by inquest.
New Jersey: Police training drill attracts scrutiny. Recruits were instructed to run into lake.
Pennsylvania: Chief's MySpace page investigated.