NSA analyst accused in beating death of 3-year-old adopted son

foxnews.com A national security analyst and decorated Marine veteran is accused of beating to death his three-year-old adopted son. Brian O'Callaghan was ordered held without bond after prosecutors told a judge the child was unresponsive for hours before his father took him to the hospital. O’Callaghan is accused of beating his son so severely doctors at Children’s Hospital determined he was "brain dead" on arrival. In court Tuesday, prosecutors said the three-year-old suffered abusive head trauma. But defense attorney Steve McCool described the child’s injuries as accidental after having hit his head in the tub and falling down a set of steps in the days leading up to his death. O'Callaghan was described in court Tuesday as a decorated Marine combat veteran who served in Kosovo and Iraq. Fluent in Arabic, he now works as an analyst at the National Security Agency. to read more: foxnews.com