Prince George’s County Police identified the lifeguard found dead in a New Carrollton pool on Saturday and said that they do not suspect foul play in his death, which is still under investigation.

David Thomas Mason, 42, of New Carrollton was found dead in an apartment complex pool.

When Mason was found in the pool, where he worked as a lifeguard, rescuers said they did not know what caused his death. He was wearing shoes and may have been cleaning the pool.

Police said Tuesday that the cause of death was still under investigation.

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