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Two men who were found dead in a murder-suicide shooting at a Fort Washington business Friday had worked together, according to Prince George’s County police.

At about 10:30 p.m. Friday, officers arrived to the 10900 block of Indian Head Highway in Fort Washington after someone called to ask police to check the welfare of someone at the address, and found John Jay Bromwich, 47, of the same block, and 45-year-old Graham Edmondson Hayes II with gunshot wounds.

Cpl. Clinton Copeland, a Prince George’s police spokesman, said the initial investigation revealed Bromwich shot Hayes before turning the gun on himself. They were pronounced dead at the scene.

It’s not clear whether the location of the shooting was also Bromwich’s home.

Police declined to name the business. An online business profile for Hayes states he was the chief executive officer for a company in the same block as the shooting, DOC Adhesive Products LLC. Hayes lived in the 7200 block of Purple Avens Avenue in Upper Marlboro.

DOC Adhesive provides environmentally friendly construction adhesives and specializes in and manufactures all type of synthetic turf installation tools and equipment for building synthetic turf fields.

Calls to the company Monday for comment were not returned.

As of Monday morning, Copeland said police have not established a motive for the shooting.

“Apparently there’s some kind of business association [between Hayes and Bromwich], but whether it’s a management-employer or business-partner kind of relationship, we still don’t know,” he said.

Copeland said he does not know how many times and where both men were shot, or where police found the bodies.

No one could be reached for comment at the Hayes residence.

A phone number could not be located for Bromwich.

Anyone with information is asked to call the Prince George’s County Police Department’s Homicide Unit at 301-772-4925. Callers who want to remain anonymous may call Crime Solvers at 866-411-8477 or text “PGPD (plus the message)” to CRIMES (274637) or go to to submit a tip online.