Dr Han was sentenced to 57 months in prison for systematically falsifying data for several years to make an experimental HIV vaccine look effective when, in fact, it was not. His attorney argued that his crime did not necessarily warrant time behind bars, but the Department of Justice (DOJ) countered that a prison sentence would warn others that “the manipulation of data to receive grant funds is unacceptable, and if caught, they will be punished.”
http://www.medscape.com/viewarticle/847589