The Supreme Court would never allow a judge to impose a stiffer sentence on a defendant because he took the Fifth Amendment, asked to confront his accuser, or hired an attorney.

FORBES: Aaron Swartz and the Corrupt Practice of Plea Bargaining

The report also found almost a fifth of defendants held on remand were acquitted, and nearly a quarter were handed a non-custodial sentence.

BBC: Prison cell at Wormwood Scrubs