father has been threatening me for a 1. 5year now and now his involving my parents and saying false accusatins and sending letters to our house. he dumped my son 3 times already and he is not even 1 years old and only paid 3 months child support, he refused to contact my lawyer when i send him a joint custody agreement a year ago. he wants a say in my sons life, why should i and he is not giving me sole custody, he goes in these depressions every 3 months and then he dumps everyone, he keeps threatening and i have proof on paper of everything. i dont have money to take him to court but i need him to stop harrassing us with letters,how can i do that and can i get sole custody thank you