Chelsea Manning was released from prison on Wednesday.
The US soldier, who was imprisoned for leaking US military information to Wikileaks and began gender transition while in jail, is now a free woman.
Her 35-year sentence for 20 counts of information leak - including six violations of the Espionage Act - was commuted by President Obama as one of his last acts in office.
She has said she will work to rebuild her life, but focus has inevitably turned to her story, which has never been too far from press attention in recent years.
But how did a humble US army analyst become the world's most famous whistleblower?
Take a look at the history below to find about.