Accident?  Suicide?

Whatever it is, it’s tragic.

I don’t know why, but I’m fascinated by this story.

The new video doesn’t help much.  It looks like the police may have been a little quick to tackle and cuff her (she certainly didn’t attack them), and probably could have spent more time trying to calm her down.  But with no audio and the participants at a distance, it’s really hard to tell what is going on.