Topic - Brian Patrick O'Callaghan

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Brian Patrick O'Callaghan, 36, has been charged with first-degree murder. (associated press)

NSA worker, who was ex-Marine combat vet, charged in beating death of adopted son

Associated Press

This image provided by Montgomery County Police Department, shows Brian Patrick O'Callaghan. He was charged in the fatal beating of his 3-year-old son who was adopted months earlier from Korea, police said Tuesday, Feb. 18, 2014. Police identified the child as Hyunsu O'Callaghan. (AP Photo/Montgomery County Police)

Md. man charged in death of 3-year-old adopted son

Associated Press