Actual Police Officer here, verified in /r/protectandserve. There really is no magic answer. There is a ton of overlap between both groups and anyone who says they can consistently spot the difference is lying to you. I'd rather judge the situation based on the objective facts rather than my gut feeling.
22 COPS A LOT OF PEOPLE GET JUMPY AND TRY TO ‘ACT NORMAL’ AROUND LAW ENFORCEMENT HOW CAN YOU TELL GENUINELY SUSPICIOUS PEOPLE FROM SELFCONSCIOUS IDIOTS ACTING WEIRD
15 WHATS THE WORSE THING YOUVE COME HOME TO
32 ONE MOVIE YOU ALWAYS RECOMMEND TO OTHERS
17 YOU ARE VISITED BY SOMEONE CLAIMING TO BE YOU FROM THE FUTURE HOW DO YOU MAKE THEM PROVE THEYRE Y...
21 STRIP CLUB DJS WHAT DO YOU HAVE TO TELL US
22 PEOPLE WHO HAVE A PICTURE OF THEMSELVES AS THEIR PHONE WALLPAPER WHY
25 WHATS SOME DUMB SHIT YOU DID AS A CHILD
25 WHAT PAVLOVIAN RESPONSE HAVE YOU DEVELOPED
31 THE PLANET IS ABOUT TO END AND YOU GET THE AUX CORD FOR HUMANITY LAST SONG WERE ALL GOING TO HEA...