Attorney General Merrick Garland is delivering a statement following the arrest of Jack Teixeira, who is suspected of being connected to a massive classified documents leak from the Pentagon.

The FBI has arrested the 21-year-old Massachusetts Air National guardsman on Thursday.

WATCH LIVE: PENTAGON HOLDS PRESS BRIEFING AFTER REPORTS NAME JACK TEIXEIRA AS DOCUMENTS LEAKER

The Pentagon declined to comment on the leaker's identity at Thursday's press briefing.

"We are aware of the press reports regarding a potential suspect in the Department of Justice's ongoing investigation into unauthorized disclosures of documents appearing to emanate from throughout the intelligence community," Pentagon spokesman Brig. Gen. Patrick Ryder said. "Because this is an ongoing criminal investigation, I will have to refer you to the DOJ for any questions."