A somewhat related video that often gets posted, but is worth posting again: Why you should never talk to the police (even if you have nothing to hide!): http:

A somewhat related video that often gets posted, but is worth posting again: Why you should never talk to the police (even if you have nothing to hide!): http://www.youtube.com/watch?v=6wXkI4t7nuc http://www.youtube.com/watch?v=6wXkI4t7nuc It includes some stories that illustrate why information about you, even when you have done nothing wrong, can be used against you by authorities, even purely by mistake not accounting to any corruption/bias/pressure-to-catch/punish-somebody, etc.