Newly released details from a partial interview transcript reveal that the mother of convicted murderer Bryan Kohberger defended her son’s innocence immediately following his arrest in December 2022 . Maryann Kohberger told investigators she believed authorities had made a “really, really bad mistake” and described her son as an “angel” during a voluntary interview at the Pennsylvania State Police Fern Ridge Barracks. The exchange is detailed in Broken Plea , a new book by Christopher Whitcomb. The interview took place while a state police SWAT team served a search warrant at the family’s Albrightsville home in the Poconos. According to the transcript, Maryann Kohberger told FBI Special Agent Matthew Phillips that her son was incapable of the crimes he was accused of . “My son would not do this,” she said, according to Whitcomb’s account. “I will stake my life on that. There’s a mistake, something is wrong somewhere. And that’s what I believe.…