A man in Taoyuan City killed his own mother last night, then decapitated the body and threw the head into the community courtyard from their 12th floor apartment. The 33 year-old man named Liang, who has criminal records for drugs, intimidation and fraud offences, quarreled with his 67 year-old mother at around 7:00pm last night. High on amphetamines, Liang flew into a rage and stabbed his mother to death with a kitchen knife. Police said that their were dozens of