Cue #1 - Being rapidly approached from behind by a stranger is a pre-assault cue.
1a. Turn toward anyone approaching from the rear.
1. Deny the Opportunity to Attack by maintaining a safe distance.
2. Keep the hands up and palms forward to protect the head.
3. Determine Confirmation of Bad Intention through verbal and physical boundary setting.
4. Use Verbal Escalation to deter the aggressor.
5. Respond to the Trigger to Act as necessary.