Is it necessary to take responsibility for sending a lawyer's letter to scare people?

Need. Anyone who sends a lawyer's letter to threaten the personal safety of others shall bear minor criminal responsibility according to the Law of People's Republic of China (PRC) on Public Security Administration Punishment, and be detained for not more than five days or fined not more than 500 yuan. If the circumstances are serious, they shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan.