Here’s the thing, it’s easy to recognize your sister’s issue (drugs) a known history of drug use, jail and all the clear cut signs of her using again.
But what is not so easy to recognize for you or your mother is your mothers issue (codependency) and repeating accepting abusive behavior from an active drug addict, enabling your sister to comfortable continue to use drugs.
The quick immediate solution for your mom’s well fare and stress would be for someone to contact the police and have your sister picked up on the active warrant BUT without your mom seeking help/treatment/gaining knowledge of drug addiction and addict behavior along with enabling…..history will only repeat itself again and again and again for your mom and your sister.
So really they both need help but both need to be wanting and willing to seek it on their own.
The only thing more frustrating than watching an addict we love destroy themselves with drugs is watching the enabler help them do it.
Try getting your mom to seek help for herself. Al-anon, nar-anon, private counseling whatever it may take to help your mom see how her love may be slowly killing her child.