The Islamic Republic released a British-Iranian woman named Nazanin Zaghari-Ratcliffe who was imprisoned for five years for allegedly plotting to overthrow the government, charges that many in the West believe were invented to create leverage in negotiations with the the UK.
WATCH: Tehran frees British-Iranian aid worker after 5 years
Richard Ratcliffe displays a photo his wife imprisoned Nazanin. (John Stillwell/PA via AP)