A law professor from the University of California, Hastings considers why a moratorium in California could be influential.
Trump's promise to appoint conservatives to the Supreme Court could mean the fate of the death penalty rests in the court of public opinion.
In Oregon and Washington, the costs of seeking and administering the death penalty have increased significantly since the 1980s.
The US Supreme Court is bitterly divided over the death penalty. One reason for that is all the convictions based on coerced confessions
Abolition has become a political football – and many politicians see the advantage of supporting it.
More than 150 people have been released from death rows around the US after having their wrongful convictions overturned. Most continue to face social stigma and unemployment.
Whatever you think of capital punishment, if your police force helps convict people of capital crimes, you are complicit to some degree.