PLEASE HELP ME!!!!petition to evict a neighbor?

there is my next door neighbor is nothing but trouble and trashing my yard writing on my shed and wrote *****,cut a pop can in half and put it in my kids toys,flipping little kids off,saying to my 6 year old he is a women beater,they took a knife after a 8 year old boy the mother press charges but the landlord didn't kick the people out that are trouble and we live in a family site where there are alot of little kids,harassing all of the little kids that live in the area they called a little girl a *****.egging my porch,knocking on my door an running but was caught doing it.i don't know what to do will a petition seeking eviction help if neighbors sign it??????? I LIVE IN A GOVERNMENT HOUSING