A dramatic hostage rescue of four Israelis held captive by Hamas in Gaza on June 8 opened a window to a world of espionage. Footage seen by WSJ documents just how integral undercover teams are to Israel’s conflicts. These missions rely on weeks of intelligence gathering by a network of Palestinian informants and undercover Israeli agents. WSJ sat down with former Israeli counterterrorism officer Shir Peled, who explains the work of the undercover fighters. Chapters: 0:00 Undercover fighters 0:49 Background of covert operations in Israel 1:27 Essential skills 2:04 Hostage rescue 4:02 West Bank hospital raid 5:10 Protests 5:56 Future operations News Explainers Some days the high-speed news cycle can bring more questions than answers. WSJ’s news explainers break down the day's biggest stories into bite-size pieces to help you make sense of the news. #Israel #Hamas #WSJ