Cops stand out like sore thumbs at a rave and you can be almost certain who you are dealing with at them.
With an attitude like that I'd definitely recommend not carrying drugs on your person. I absolutely GUARANTEE there are undercover police out there who you would NEVER suspect at a party. Probably the same age as you, and wearing cooler clothes, and quite possibly looking trashed on pills too... you can never be sure, unless you know the person really well.
It sounds paranoid, but if paranoia is what it takes to stop yourself landing in jail, go with it. Better yet, never - buy drugs - sell drugs - show drugs to - discuss drugs with - brag to - or confide in - a stranger at a party... for your own sake. SURE... let the PLUR flow and tell them boring stories about yourself, your life and your furry tigger backpack, just don't tell them you have drugs in your possession.
BigTrancer