Do you have deadbeat siblings and what do you do?

My sister has a child with a pedophile drug using loser. Neither of them work, my mom and other siblings buy them stuff. They were recently hit by a car while riding their bikes, no one was hurt, it was not a bad kind of thing. They stayed with my mom and ate all her food and drank like 4 CASES of soda pop. They somehow made it on the new and now lots of people are just giving them a ton of stuff. My mom asked them to give her a bag of the donated groceries and to use part of their $200 gift card to replace the pop they drank and they refused. I think my sister is a greedy little pond sucker and I so want to call the tv station and tell them the real story.....any opinions????