Don't know what to do. Lived in my house for 25 years, 23 of them very peacefully but since my EX friends daughter and her 2 kids moved next door myself and my 10 year old son are being tortured to death literally, they have a shared fence and they are constantly be unfinished on the trampoline and firing balls to my garden at full force and have broken my lounge window glass and frame twice and run across my garden breaking plants and trees and have broken into my shed and smashed all my late husbands thing plus lots of out door lights and decorations am I allowed to do any thing at all to stop this as the police haven't really been any help at all I have had countless arguments with the mother and they are there from early in the morning until late at night please some one help