Elementary school music teacher Joseph Horner allegedly committed an unthinkable crime when he brutally killed and raped his sister-in-law, Victoria Castle, in her Long Island, New York, home in June. While Horner is currently behind bars, he has left Castle’s family — including his wife, Alexia “Allie” Castle Horner – in shock and horror as more details about the crime have come to light in court. As Us previously reported, Joseph was arrested on June 28, 2026, after he allegedly killed Victoria and then sexually assaulted her. After he allegedly killed Victoria, Joseph waited for “police on the front doorstep and was “calm and collected,” according to prosecutors. A Fundraiser Was Organized to Help Castle FamilyFollowing Victoria’s murder, a GoFundMe campaign was set up to support Allie and her family.