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Police: Md. man charged with murder in the beating death of 3-year-old adopted son

This photo provided by Jennifer O'Callaghan via the law office of Mallon & McCool, LLC shows Brian Patrick O'Callaghan, 36, of Damascus, Md., and his wife Jennifer.  Brian O'Callaghan has been charged in the fatal beating of his 3-year-old son who was adopted months earlier from Korea, police said Tuesday, Feb. 18, 2014. (AP Photo/The O'Callaghan family via Mallon & McCool LLC)

This photo provided by Jennifer O'Callaghan via the law office of Mallon & McCool, LLC shows Brian Patrick O'Callaghan, 36, of Damascus, Md., and his wife Jennifer. Brian O'Callaghan has been charged in the fatal beating of his 3-year-old son who was adopted months earlier from Korea, police said Tuesday, Feb. 18, 2014. (AP Photo/The O'Callaghan family via Mallon & McCool LLC)  (The Associated Press)

Police say a Maryland man and military combat veteran has been charged in the fatal beating of his 3-year-old son who was adopted months earlier from South Korea.

Thirty-six-year-old Brian Patrick O'Callaghan, of Damascus, has been charged with first-degree murder and child abuse resulting in the death of the boy earlier this month. He was ordered held without bond during a court appearance Tuesday.

O'Callaghan's lawyer, Steven McCool, called the allegations of murder unfounded. He says he disputes that the child suffered a skull fracture or multiple injuries to his head.

McCool says his client is a Marine veteran grieving the loss of his son.

Police charging documents say the boy had bleeding in his brain and a skull fracture, indicating he had been beaten.