21 2021- The Biggest Brianna Maitland Theories: What Really Happened? (grunge.com) Uncovered.com, Missing: Brianna Maitland- Mar. 18 2023- Missing: Brianna Maitland | Montgomery, VT | Uncovered. 18 mars 2022 ยท March 18, 2022 / 1:43 PM / CBS/AP Vermont State Police investigators used advanced DNA sequencing techniques to identify a sample found as part of their investigation into the 2004.