By Jordan Kinsey Updated on: April 12, 2024 / 7:56 AM EDT / CBS News Sneak peek: The Disappearance of Maddi Kingsbury Sneak peek: The Disappearance of Maddi Kingsbury 03:46 The morning of March 31, 2023, for Megan Kingsbury began with a funny text exchange with her younger sister, 26-year-old Madeline “Maddi” Kingsbury , who lived in Winona, Minnesota. But that would be the last communication, Megan Kingsbury says, she would ever have with her sister. Later that evening, Megan Kingsbury says her mother, Krista Naber, reached out to see if she had spoken to her sister recently because Naber had not heard from Maddi Kingbsury in hours. Megan Kingsbury says she wasn’t worried at first, but then Maddi Kingsbury did not respond to her new messages or phone calls either. “…regardless of how busy she was or what she had going on, she always got back to us,” Megan Kingsbury told “48 Hours” correspondent Peter Van Sant. Her interview is featured in “The Disappearance of Maddi Kingsbury,” an all-new “48 Hours” airing Saturday, April 13, at 10/9c on CBS and Paramount+. Madeline “Maddi” Kingsbury Maddi