I know this, if playing a Cop as a character....
You can wreak all kinds of havoc on society and be regarded as a good cop.
You can shoot any car at the gas tank and blow it up, immensely, with a big explosion.
You only have to answer to one supervisor, usually a Captain, but never anyone else....like a Chief or the City Council.
You can actually "Commandeer" vehicles.
Any of the many laws you violated to make one bust will be gratefully ignored in the end, regardless of just how guilty you are. (i.e. The Negotiator)
Your vest, or badge, will save you every time you're fired upon.
The legal system works extremely fast.
Everything can be fixed with a suspension.
There is no such thing as the ACLU.
You're always in the very best physical shape to the point that you can run 3 miles and still fight a bad guy for 20 minutes straight, no matter how much you drink, or how badly you eat. (usually shown eating a hot dog on the street, drinking nothing but whiskey when getting home, and still overcoming that bad guy who worked out everyday of his 20 year sentence)
You ALWAYS have a screwed up personal life. (divorced, alcoholic, estranged kids, etc.)
You're badge can get you in ANYWHERE.
Your gun has a unlimited amount of bullets.
No matter where you work, you're the only non-corrupt cop.
You can beat criminals in a fully video-taped interrogation room and it's no big deal.
Every-time you arrest someone, you read them their Miranda Rights.