On May 30, 2026, at approximately 8:30 p.m., deputies from the Calvert County Sheriff's Office responded to a reported disturbance involving two individuals outside Traders Steak & Ale, located at 3855 Gordon Stinnett Avenue in Chesapeake Beach. Upon arrival, deputies located an adult male suffering from injuries consistent with an assault. An investigation revealed that the incident stemmed from a physical altercation between two men near the pavilion area at Kellam’s Field, located at 3825 Gordon Stinnett Avenue in Chesapeake Beach. During the altercation, the suspect, identified as Nathan Oliver White, 44, of Chesapeake Beach, allegedly stabbed the victim in the upper body with a flathead screwdriver. Following the assault, White fled the area but was quickly located and apprehended by responding deputies a short distance away. White was transported to the Calvert County Detention Center and charged with First-Degree Assault and Second-Degree Assault. The victim, identified as David Reidy Brosnahan, 54, of Washington, D.C., was transported to CalvertHealth for treatment of his injuries. While receiving medical treatment, Brosnahan became disorderly and threatened hospital staff. After being directed to leave the property, he refused to comply and was subsequently arrested. Brosnahan was charged with Disorderly Conduct, Trespassing, and Failure to Obey a Lawful Order. The incident remains under investigation. Anyone with information regarding this incident is asked to contact Det. Michael Mudd at Michael.mudd@calvertcountymd.gov. Please reference case #26-48089.
