Ugh, OK, I will say it. I won't be popular for saying it, but then, I was never popular to start with; and I don't anticipate that I will ever really be liked anyway, and I am actually starting to embrace and market that.

First let me say, I am not a lawyer.  I am not giving legal advice.  I am just giving come common sense advice, because I have see too many people screw up their lives, because they think the world is fair, and believe that people are innocent till proven guilty.

NEWS FLASH.  If you have been arrested, you are guilty till proven innocent.  So read this carefully. 

If you are arrested, and the cops want to talk to you, the only words that should come out of your idiot mouth, should be, read this carefully now, "I WANT TO TALK TO A LAWYER!" 

JEEZ, I can't believe this needs to be explained.  If the cops ask for a polygraph, DO NOT REFUSE; remember, anything you say can be used against you.  Instead of refusing, you simply say, "I WANT TO TALK TO A LAWYER!"

Once you ask for a lawyer, (and excuse my French), SHUT THE FUCK UP!!!!!! Do not talk, cry, weep, sniff, don't even clear your throat.

Tell them you want a lawyer; shut up; then talk to no one but that lawyer.  Once you're arrested, your lawyer is your only friend. 

Oh and don't be an idiot and talk to your cell mate or anyone else in jail.  Chances are, they are a snitch.