I am not a lawfag and would welcome input. Note on Parkland shooting deputy. Seems to be a political stunt. There is no right for any officer to protect you.
https://www.apnews.com/91dc083ded414c3e86cca8ed9855d7f9
MIAMI (AP) — The Florida deputy who knew a gunman was loose at the Parkland high school but refused to go inside to confront the assailant was arrested Tuesday on 11 criminal charges related to his inaction during the massacre that killed 17 people.
https://amgreatness.com/2018/02/27/seconds-count-police-no-legal-obligation-act/
https://www.policeone.com/police-jobs-and-careers/articles/4913117-Addressing-cops-confusion-over-the-public-duty-doctrine/
https://www.firearmsandliberty.com/kasler-protection.html