ABC News contributor and former CIA field operative Darrell Blocker discusses what's at play in Iran amid fears of U.S.

Israel claims full 'aerial' control over Tehran ABC News contributor Darrell Blocker, a former CIA field operative, joins ABC News Live to discuss the Israel-Iran conflict — and what it means for the ...

ABC News' Tom Soufi-Burridge, Katherine Faulders, and Darrell Blocker report as European leaders joined Ukrainian President Volodymyr Zelenskyy for his meeting with President Trump.

ABC News contributor Darrell Blocker breaks down U.S. risks, global players and how America could support Iranian ...

LOS ANGELES -- In times of unrest and war, counterterrorism and espionage is a high-stakes world. Often times, intelligence gathering leads to decisions being made. That's how the Trump administration ...

ABC News contributor and former CIA field operative Darrell Blocker talks about the Trump administration's discussions to accept luxury jet as a gift from Qatar for use as Air Force One. Fox Business ...