[2010] EWCA Crim 97
A Solicitor – an MLRO during the time a client had laundered fraudulently obtained money through the firm’s client account – was cleared of six counts of money laundering in January 2010, after a judge ruled that a fair trial was impossible due to delays in bringing the prosecution.

http://www.bailii.org/ew/cases/EWCA/Crim/2010/97.html