Attachment: Article 42 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment commits one of the following acts, and shall be detained for not more than five days or fined not more than five hundred yuan; If the circumstances are serious, they shall be detained for more than five days and less than ten days, and may be fined up to five hundred yuan:
(1) writing threatening letters or threatening the personal safety of others by other means;