Unlicensed Cambodian doctor Yem Chroeum (C) is escorted by Cambodian police officials as he walks at a court in Battambang province, western Cambodia, on December 3, 2015. An unlicensed Cambodian doctor was sentenced to 25 years in prison on December 3 after he was found guilty of infecting more than 200 people with HIV, including some who later died. AFP PHOTO CAMBODIA OUT