Are you a 97 year old female? Do you think that you could quietly find a few big guys in their 20's or thirties to help you out?
What? Who me? I'd break the little fvcks neck before he even knew I was next to him.
I'd hope grannie would enlist my help, though.
Still, people do funny things under stress.
And it would help a subsequent investigation if some pictures of him (or her) got mailed out before anything noisy happened.