How do you get a 9.43 for a family member who seems to have paranoia schizophrenia

sister is destrucive in letter writing to various family members. Much of it is slander and delusional. Yet the court system allows her to petition for court orders of protection, she is homeless and soc ial services plus shelters have kicked her out. How does this continue to go on ? She has threatened in letters and phone callls to family outside of new york. Why can they not take her in for mental observation - Is this your question? Add additional information