You'd have to be an idiot to trust the government.

Reason Magazine - Hit & Run > Presence of Malice:

"...recently completed study of the 124 exonerations of death row inmates in America from 1973 to 2007 indicated that 80, or about two-thirds, of their so-called wrongful convictions resulted not from good-faith mistakes or errors but from intentional, willful, malicious prosecutions by criminal justice personnel. (There were four cases in which a determination could not be made one way or another.)"