Adam Gadahn was accused in the sealed indictment of helping the organization with communications and propaganda. U.S. authorities have also accused him of serving as an English translator and providing information about U.S. culture and vulnerabilities to al-Qaida, ABC News reported Friday.
The New York Daily News reported Thursday that the indicted was soon to be unsealed. The Daily News quoted unnamed sources as saying the indictment was expected to claimed that al-Qaida No. 2 Ayman al-Zawahiri praised Gadahn in a video released last week.
ABC said officials have also been considering treason charges against Gadahn, who is believed to be a high-ranking member of the organization. Officials believe Gadahn is in Pakistan.