[JadeNB]

> In the justice system of most western countries, the general trend is: "Rather 10 criminals who go free, than one innocent person behind bars".

> To live up to that statement, society pays. … As a society we pay this, because, well, take the frustration of OP and now imagine the penalty is not 'banned from ebay', it's 'in jail for life' or even just 'most employers will no longer employ you because criminal record'.

Aren't you describing a cost that is alleviated by (allegedly) making sure that the innocent aren't imprisoned, or, rather, a cost that would be borne if the legal system made sure to imprison those whom "the cops are 80% sure" were guilty?