Chilling new interrogation video shows the moment a trans killer calmly confessed to executing her parents — blaming it on her mom trying to thwart her gender transition surgery. Mia Bailey, now 30, copped to slaughtering her parents, Gail and Joseph Bailey, inside the family home in Washington, Utah, in 2024, the footage obtained by KUTV shows . The brazen murderer, who is currently serving two life sentences , told investigators in the newly released clip that her mental health had been declining for years and that’s “why I needed the surgery.” Mia Bailey is seen calmy speaking to police officers after confession to murdering her parents. Washington City PD “She was trying to sabotage it. She always had boundary issues,” Bailey said of her mom. “I had one thing going on, and she took that away from me. She can’t say sorry to save her life, apparently. And I gave her so many chances throughout my life.” “So much for family,” Bailey added. “I spent years trying to fix that broken ass family.…