There's no way to prove you aren't a cop. Furthermore, contrary to what some others have posted on this board, it is ABSOLUTE BULLSHIT that a cop has to tell you if they are with law enforcement just because you ask them. Lastly, they CAN do drugs (under some circumstances, police even receive hazard pay if they have to ingest drugs as part of an investigation.)

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"There is a general place in your brain, I think, reserved for 'melancholy of relationships past'. It grows and prospers as life progresses, forcing you finally, against your better judgment, to listen to country music".- Kary Mullis, Nobel Prize Winner for Chemistry