Dossier
Gary Marken
Coverage of Gary Marken in the Nexus archive.
- 1 of 4 defendants in fatal hyperbaric chamber explosion pleads no contest in case
One of four defendants in a 2025 hyperbaric chamber explosion that killed a 5-year-old boy pleaded no contest to involuntary manslaughter. Jeffrey Mosteller, the Oxford Center's safety director, entered the plea during a pre-trial hearing, while the center's owner, manager, and chamber operator face charges of second-degree murder or involuntary manslaughter.
- 1 of 4 charged in deadly Oakland County hyperbaric chamber explosion pleads no contest
One of four individuals charged in a 2025 hyperbaric chamber explosion that killed a 5-year-old boy in Oakland County has pleaded no contest to involuntary manslaughter. Jeffrey Mosteller, the facility's safety manager, avoided a second-degree murder charge, while others face upcoming court hearings related to alleged safety violations.