Deductions & credits

So, what should I do? I sent my parents a text with a link to the article I found on TaxAdviser, and no response. My dad is an attorney, but he has gotten in trouble with the IRS multiple times. I don't want to be a biotch, but I also don't want to be screwed over. I really need this mortgage interest deduction, especially since I won't be able to claim my kids as dependents anymore.