Rosanna and her daughter Stephanie say her son, Brandon, was charming, charismatic, and successful, and making hundreds of thousands of dollars a year as a real estate broker 10 years ago – but now, they claim he is broke and living in his own world. “Brandon has been totally obsessed with conspiracy theories, but just recently, he has had a total break from reality,” Rosanna claims. “Brandon talks about an elite group of people, and ‘they’ are controlling the United States.” Stephanie says she fears her brother may hurt himself or someone else. “He’s become delusional to the point where it’s scaring me,” she claims. What does Rosanna say she believes may be contributing to Brandon’s behavior? And, Rosanna says that Brandon blames her for everything that goes wrong. Hear more of their story in the video above. On Thursday’s episode of Dr. Phil, "'My Brother is Delusional and Believes in Conspiracy Theories,'" hear why Brandon says his family has it all wrong – and that no one understands his way of thinking. Will Dr. Phil be able to help Brandon to understand his family’s perspective? Check local listings to see where you can watch. TELL DR. PHIL YOUR STORY: Have a story Dr. Phil won't believe?