Note that she survived the first Tasering just fine, and was even conscious (and still non-compliant). I am unfamiliar with the usage of putting it directly against the skin, but if that does indeed somehow localize the electrical discharge, that sounds even safer than a standard use).

I've wrestled 60-pound girls before at work. It's harder than it looks, and there's no way to know from one news story how much danger she was presenting to herself or others. See below for a discussion of levels of force.