Jack Teixeira's court-martial begins as he faces additional military charges after already being sentenced to 15 years in prison for leaking classified information.
DHS Secretary Kristi Noem implements polygraph tests for employees to curb leaks while appointing new leaders in ICE to strengthen immigration enforcement.
A newly released report reveals potential misconduct by Trump-era DOJ officials leaking info to sway the 2020 election, raising concerns over political motivations.