A former U.S. military linguist is arming volunteers with Russian phrases like "put your weapon down" before they head to Ukraine to fight. Another U.S. veteran said he was in Ukraine linking volunteers to groups on the ground.
They are among organizers from three U.S. online networks the reporters spoke to this week that are creating underground pipelines of military, medical and other volunteers for Ukraine.
The networks are part of organized efforts to mobilize hundreds of North Americans prepared to fight for Ukraine, as well as thousands of other people across the globe.