The bodycam slop farm had a particularly annoying harvest of criminals today, so in no particular order: You will never talk yourself out of jail, only in to Pleading the 5th is your right. Use it. In a criminal case, a prosecutor cannot use your reservation of rights against you at all. You won't "look better" to a jury for talking, quite the opposite. The answer to "can I search X?" is "with a warrant".