Missing Woman’s Remains Buried Under Man’s Garage Floor

Murder Files Unsealed · Sep 23, 2026 · 56m · transcript

The episode details the investigation into the disappearance and death of Jill Kloppenberg, a Massachusetts woman who vanished in early 2025. Authorities discovered her remains over a year later buried beneath a concrete garage floor at the home of her acquaintance, Shawn Sullivan, following a tip from a witness. Sullivan has been charged with murder and improper disposal of remains, though his defense claims the shooting was an unintentional accident caused by a physical twitch. The narrative highlights the forensic challenges of the case, noting that investigators must use ballistics and…