Get rid of them one at a time, starting with the youngest, don't matter how, just make sure they don't come back, she'll get the message before long and pack up.
Your shoveling shit against the tide. There is nothing you can do short of burning them out that would change anything. You can't talk to people like this, they are too stupid to understand what is right or wrong.
If they put down the crack pipe long enough to go cash teh welfare check, mosey over with a can of gas and a match... or, sell your house the way it is. Cut your losses and just move on. That is really the only thing that can happen here.
Its called "GET EVEN!"
1. Collect all the old keys you can fine. Go to a key shop and purchase some cheap name address tags. Put her name and address on each tag with a few keys. On the opposite side print. REWARD $25, iF YOU FIND THESE KEYS PLEASE RETURN TO XXXXXXX AT XXXXXXX REWARD $25
2. Place a prepaid ad in the community paper and all community B-Boards like at supermarkets. Garage Sale! Antiques, Collectables, Power Tools Cheap! Must Sell!
Come early for best selection. Sale starts at 6:00A.M.on Saturday Morning. XXXXXX XXXXXX No phone calls please.
3. If she is a heavy weight slob try putting Ipecac Syrup into each chocolate of a cheap box of candy. (a diabetic syringe will work) Then wrap it up pretty and put it on her doorstep or if you got big cahones, in the mailbox.
You can make her life just as miserable.
I used to have people like her on my street. Here is what we did to get rid of them.
The entire street got together and called the cops every chance we got. Loud music, parking in the street, suspected drug use. You name it, we called it in. This started a file on the people. Our block got the city to put up "no parking in the street" signs. That got the "homies" out. No where to park, no big parties.
The police got sick and tired of coming out so they forced the landlords to evict the scum. YUP... the police sent letters to the owners of the houses and pretty much said that there was illegal activity going on inside and that they had 30 days to evict the renters.
Lucky for us they were renters and were gone in 30 days. Now our block is back to normal and kids can go outside without fear of seeing some kind of Scarface reenactment.
Maybe it's you.
Light their house on fire.
These kinds of people always move on. Their lives are so messed up something will eventually come up that causes them to move...you just have to sweat it out.
Of course the new neighbors will probably be worse...that's what happened to me.
I say call the cops. Try and get the neighbors to do the same.
Call the school and the cops each time their kids are not in school.
Call Social Services.
Take pictures or videos of them misbehaving to back up your claims.
I am sure that there are laws that say you have keep up your property. Make complaints to city hall.
Call the newspaper. See if they will do a story.
Call animal control.
Use more than one phone and name to do the calls.
put up a strobe light so it flashes in to their window set th strobe to pulse at random intervals so it is really really annoying all night long and throw dog shit in their yard evry day.