Victoria Snelgrove wasn't killed by a "pepperball gun." Not even close. She was killed by an FN 303 (
http://en.wikipedia.org/wiki/Victoria_Snelgrove) that hit her in the eye.
This is what the FN 303 looks like:
The newspapers reported that she was killed by a pepperball gun, and the sh*tstorm started when the media investigated and found out that the Boston PD wasn't trained in the use of pepperball guns.
And that's 100% true (or was at the time, I'm not up to par on BPD's current certifications), but it didn't matter because
she wasn't shot with a pepperball gun. That's what the news reported, but that's not what happened.
The news made it sound like something happened that didn't happen, because controversy sells newspapers.