Just dial 911, or maybe your security company will. It only takes your local LEOs about 5-10 minutes to arrive (on average), sometimes 30, never mind that the actual event can be over in 10-15 seconds...
” It only takes your local LEOs about 5-10 minutes to arrive (on average)”
Slain student called 911, but no one came in time
College student’s battle for her life caught on 911 tape
Police did not respond to her call for help for 48 minutes
http://ccwsaveslives.blogspot.com/search?q=48