IRAN'S ASSASSINS –While Iran's backing of Hamas in Gaza andHezbollah in Lebanon is widely known, the regime is quietlycarrying out a shadow war in the U.S. and Europe, deployingproxy assassins to silence or eliminate critics of the regime.Britain's head of counter-terrorism policing, Matt Jukes,tells correspondent Lesley Stahl they're noticing a significantuptick in Iran's efforts. In the U.S., Stahl meets some of thetargets, including former White House national securityadviser John Bolton and Iranian American activist MasihAlinejad. Shachar Bar-On is the producer.THE HERITAGE WAR–Correspondent Bill Whitaker reports from Kyiv on Russia'scontinued war and what Ukrainians say is the deliberatedestruction and looting of the country's museums, churches andmonuments – a strategy believed to come straight from theKremlin – and a potential war crime. Whitaker tours theremains of shelled churches and bombed libraries, and speakswith museum workers who are risking their lives to saveUkraine's heritage. Heather Abbott is the producer.HORSE RACINGREFORM? –As the Justice Department winds down one of thebiggest horse doping investigations in U.S. history,correspondent Cecilia Vega examines the wiretaps that helpedsolve the case and convict dozens of veterinarians, horsetrainers and drug distributors. Lisa Lazarus, the womanheading up the new national regulator tasked with cleaning uphorse racing, sits down with Vega to discuss the moment ofreckoning and the sport's future. Sarah Koch is the producer.
