The United States is the only country to sentence children to full life terms in prison. In many states, until recently, under-18s convicted of certain crimes were automatically locked up for life without the possibility of parole. But the US Supreme Court has now banned those mandatory sentences – and the approximately 2,000 Americans who were given them stand a chance of getting out. Elizabeth Davies travels to the United States to meet some of those given life sentences as teenagers. How are they dealing with the prospect of freedom after believing they’d spend their entire lives in prison?