Five other murder convictions have been overturned in the past two years.

BBC: Sweden retrial for 'serial killer' Sture Bergwall

Heymann received a Department of Justice award for his convictions of five defendants in the case, which included a 15-year sentence for the most active member of the team, Alberto Gonzalez.

FORBES: White House Owes Response To Petition To Fire Prosecutor Of Aaron Swartz And Other Hackers

Five of his murder convictions have already been annulled.

NPR: Sweden Orders Retrial For Convicted Serial Killer

In a balance-sheet released on October 5th the commission highlighted six big cases it took on, five of which ended in convictions.

ECONOMIST: Justice in Central America

In 2002, the convictions of the five men, all of whom were between the ages of 14 and 17 when they were arrested, were overturned when a DNA match was made to an inmate who confessed to the attack on the jogger.

WSJ: Judge Sides With Ken Burns Over City

Meanwhile, campaigners claim rape victims also face a "postcode lottery" with some forces five times more likely to secure convictions than others.

BBC: Police to face rape case checks

Thirty-six of those defendants have been convicted on a hate crime or a serious hate crime related charge, and five of these cases have involved the convictions of persons who physically attacked others due to their actual or perceived sexual orientation.

WHITEHOUSE: Safety and Justice for All Americans

U.S. Marshal Robert Almonte in West Texas said he has testified about La Santa Muerte in at least five drug trafficking cases where her image aided prosecutors with convictions.

WSJ: Underworld saint becoming more popular in US

Intermedia figures record that 44 Pakistani journalists, mainly part-time stringers and freelancers, have been killed in the last five years (2009- Jan 2013), without any convictions of the perpetrators.

UNESCO: MEDIA SERVICES