Ex in-laws are creating problems for me, please help?

Well the first thing u should do is get her recorded that u have offered many times 4 her 2 see her grandson. Next u need 2 file a motion with the court granting u full custody. That family obviously doesnt need 2 be around your son. Finally u want 2 file a motion with the judge saying that your sons father is not allowed 2 take the child based on him drinking and driving.