Comer, Burlison briefing deadline arrives, no public confirmation of agency briefings

Monday 27 April 2026 was the deadline set by House Oversight Committee Chairman James Comer and Subcommittee Chairman Eric Burlison for staff-level briefings from the FBI, NASA, the Department of War and the Department of Energy on the now-thirteen-name list of missing and dead United States scientists tied to nuclear, aerospace and UAP-adjacent research. As of the close of business in Washington on 27 April, no agency had publicly confirmed that a briefing had been delivered, and no member of the Committee had publicly characterised any briefing material. The Department of War's earlier response that there are 'no active national security investigations' of any current or former DoW clearance holder remains the only on-the-record agency statement. The IBTimes UK previewed the deadline on the morning of 27 April. A Los Angeles Magazine headline, 'Congress UAP Briefing Sparks Mystery Over Missing Scientists', appeared in the indexing layer but the body of the article was not verifiable to the watchdog through standard fetches at the time of logging. The deadline arriving without public confirmation creates four open possibilities: briefings delivered in closed session with no immediate readout; briefings deferred or rescheduled; one or more agencies declining the request; or formal subpoena consideration by the Committee. Each is its own reportable story and is being monitored.