WATCH: Alexander Vindman says he needed to immediately report Trump-Zelensky call

Rep. Adam Schiff, the chair of the House Intelligence Committee, questioned Lt. Col. Alexander Vindman, an Army officer who works for the National Security Council, who listened in on the July phone call between President Donald Trump and the Ukrainian president in which Trump asked him to investigate former vice president Joe Biden and his son, Hunter. "Without hesitation, I knew I had to report this to the White House counsel," Vindman said, saying he had concerns about what unfolded in the call.

For more on who’s who in the Trump impeachment inquiry, read:

Stream your PBS favorites with the PBS app:
Find more from PBS NewsHour at
Subscribe to our YouTube channel:

Follow us:
Facebook:
Twitter:
Instagram:
Snapchat: @pbsnews

Subscribe:
PBS NewsHour podcasts:
Newsletters:

Impeachment,hearing,hearings,Alexander Vindman,Vindman,Jennifer Williams,Williams,Congress,House,committee,congressional hearing,House Intelligence Committee,inquiry Ukraine,Trump,Donald Trump,President Trump,President,phone call,whistleblower,Rudy Giuliani,Giuliani,lawyer,Joe Biden,Biden,Hunter,aid,withheld,quid pro quo,PBS,PBS NewsHour,National Security Council,aide,vice president,pence,mike pence,