What has your sister got to say about the whole thing?
Has she admitted what she did?
Made any effort to fix it?
$10,000 is a serious amount of money to steal from anyone.
That could bankrupt some people.
Your dad has got to feel so very betrayed.
Talk to a rehab and see what they would recommend.
I had to laugh at you being told stay away from the intervention.
That's me!
I think things are a bit heated at the moment for an intervention.
Does your sister have a job?