PNC Markers AI= Alleges Incidents against officers CO= Suffers from Contagious illness (Not HIV/AIDS) DR= Known to carry/use drugs ES= Subject tries to escape from custody EX= Subject known to use/carry explosives FE= Female impersonator FI= Known to use/carry firearms MI= Male impersonator ME= Subject has mental health problems WE= Subject known to carry/use weapons SU= Subject has suicidal tendencies VI= Subject known to be violent