Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Britain's last Guantanamo Bay detainee Shaker Aamer is expected to be freed as early as June, according to US government sources. In a development which will hearten his family, officials in Washington said the 48-year-old is likely to be released in the summer after 13 years in captivity without charge or trial. It came as the man appointed by President Barack Obama to speed up the closure of the notorious prison camp said there was ‘no sound reason’ for keeping the terror suspect locked up any longer. British Guantanamo Bay detainee Shaker Aamer (pictured) is expected to be freed in June, US government sources have revealed. He is pictured right and left with son Michael and daughter, JohninhShaker Aamer has been held at Guantanamo without charge for 13 yearsThe 48-year-old, from London, could be freed in June, it has been revealedUS President Barack Obama has repeatedly vowed to close the facility 
 Question:‘_ has always been a complete travesty of justice and whoever is in government must ensure... Shaker is returned to his family as soon as possible if he’s not going to be charged.’

Guantanamo Bay