Tang Chengyan, who ran an illegal kindergarten in Yunnan province, told police that she and her colleague buried Liu Xiangyun, the China Daily reported citing yunnan.cn. Liu choked on food and died March 31.
Tang told the child's parents that Liu went missing when she took him out for shopping.
Police became suspicious after they failed to spot the toddler on street surveillance cameras and also found bloodstains on the teacher's motorbike the next day.
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