Attorneys representing the prosecution declined to comment through a Navy spokesman.
Rugh said Thursday that leaks continue to be a concern for him, because news stories could taint a jury pool. He said he would expand the scope of his protective order to include his own rulings.
Also during the Afghanistan deployment, Gallagher was investigated and cleared of wrongdoing in connection with an unrelated shooting in 2010, Parlatore said.
Gallagher shot at a Taliban commander as the fighter was holding a girl in his arms as a human shield. The shot killed the hostage and the combatant, Parlatore said.
Gallagher felt remorse about the incident, Parlatore said. "He tried to take a head shot; it went low."
An NCIS spokesman said the agency does not comment on ongoing investigations. An Army spokesman, when asked about Gallagher's 2010 deployment with an Army unit, referred questions to Naval Special Warfare. A spokeswoman there said she could not comment on an ongoing investigation.
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Gallagher's trial for the charges related to the 2017 killings and shootings in Iraq is scheduled to begin May 28.
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