help.... son harassing widow mother for property

is ther any way tat my widow mother 75yrs who is living alone, get the court order,without filing a suit , restraining my brother from entering the house, who is raudy n giving threats to my mother to kill her, ....i have already fiiled NC in police station against him......he is telling i also have rit to live in my father house.....but.my father had witten a will before he died on plain paper with witness signed, n mention no share to his two sons. my father has written house to b given to my wife n daughters. but now as my mother is old n if she can not go to court to probate will and also dont hv enough money, and the legal procedure wil take time. so can she show tat will to police and get help ??? can police restrain my brother from entering the house...my mother is 75yrs old n afraid tat if he come to house he wil harass n kill her....kindly guide can v get something help from police or court...???