Gary Marken
Coverage of Gary Marken in the Nexus archive.
- Judge denies motion to dismiss charges against Gary Marken in Oxford Center explosion case
A judge denied a motion to dismiss charges against Gary Marken in the Oxford Center explosion case, where he faces second-degree murder and involuntary manslaughter for the death of 5-year-old Thomas Cooper. The defense argues he wasn’t a decision-maker, while prosecutors claim he enforced safety protocols despite knowing risks, with the judge stating the jury must determine his state of mind, and the defense plans to appeal, pausing the trial.
- 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.