On 24 june 2014, at about 1800 hours, the general anti-narcotics unit of the beijing city public security bureau, together with the chaoyang branch, seized chen chii, a 39-year-old man, suspected of using drugs in an apartment on the northern road of the labour force in the chaoyang district and recovered a small bag of meth from his desk drawer, andDrug useTools and so on, urine tests show that some of the urine tests are positive for drugs. According to chen, he has been using methamphetamine since the end of december 2013 and has had a history of drug abuse for almost seven months, having just been seized. He was found to be the author of the book。
