1. Cheng said the exercise is conducted in a controlled environment with the pigs anesthetized the entire time.
2. At about 10 am, the animal was anesthetized and taken to the local protection center for wild animals.
3. It was anesthetized and sent back to the center, staff at the center said yesterday.
4. Forensic psychologists have asked whether the killer lured and then anesthetized the women with drugs.