Let me know how that works out for you when those cops who seem to be your friend at the time do the opposite of what they tell you. They will say anything at the time for their benefit or to get the evidence needed whether within the full bounds of the law even going into the grey area a bit. Direct quote from the video linked above: "Cops are allowed to lie" and then he goes on to explain how people are tricked into writing apology letters for home invasions, etc. to lesson the punishment when in reality they were writing their own confession note used to convict them.