Well if thats the case, you will never see that cash again. Help can be given other ways than money, help them get to the living standard were they dont have to ask. You can only help those who are willing to change. period. I never help homeless unless I see they are helping themselves.
She can do as I suggest CJ to do, throw away the phone, email, and SM. Start a new fresh digital life. I guarantee you those same people asking your wife for $$$, will be doing so til they die(nearly all). They ask others too. Say 20 years pass and she did what I instructed and has not had contract with them.....then out of blue she does.....they will still be alive and after a few words... here it comes-
"Hey can you send me some money?"