I have sole custody of my kids, how easy would it be for their mother to get custody?

Question by i was wondering: I have sole custody of my kids, how easy would it be for their mother to get custody?
The mother of my 7 year, 6 year old and set of 4 year old twins is a repeated drug user i have hospital and other papers to prove it she has gone as far as to use crystal meth wile pregnant with my twins cps got involved and ended up releasing them into her custody.One of the babies being born with meth in there system that was 4 years ago. Since then she has relapsed twice leaving my 4 boys with a total stranger who is also an addict. She was in rehab a year ago February, then relapsed again this April, and is now in rehab that last 120 days. She now has a month left and she is talking about taking me back to court to get custody.I own my own home, have a steady job for the last 6 years and have no drug use.

Best answer:

Answer by Scarlett
get a good lawyer; I’m pretty sure the court would want to make sure that she stays off drugs first like for a year or so before even considering allowing her to see the kids. with any luck on your behalf she’ll relapse again.

Add your own answer in the comments!