Some things to take away from this video:
1. Nothing you say to police can help you.  Police don't and can't make any sort of deals. 
2. Anything you say CAN and WILL be use against you in a court of law.
3. Under rules of evidence in all 50 states, exonerating or exculpatory information provided by you to the police will be dismissed as hearsay and not admitted.
4.  Nothing you say to police can help you. 
5.  Nothing you say to police can help you.
6.  Nothing you say to police can help you.