U.S. Military Strikes in Iran

CBS News Reporter Stacy Lyn talks about how as Iran continues to launch retaliatory strikes in the Middle East this morning, some U.S. intelligence and law enforcement are stepping up their own work at home to protect Americans against possible domestic targets or plots. The U.S. is also looking at the possibility that Iran or its proxies like Hezbollah or Hamas have operatives inside the U.S. And the FBI is stepping up surveillance of people here suspected of working on behalf of Iran.