Im Chaem fertilises cucumber plants behind her house in O’Angre village, in Anlong Veng, on February 3. A UN-backed tribunal’s investigating judges quietly dropped charges against Chaem, who was accused of overseeing the killings of tens of thousands. Omar Havana/The New York Times The tiny 74-year-old lives peacefully in a snug, stilted house surrounded by papaya, lime and custard-apple trees.