RFE/RL reporter Claire Bigg tells the story of Russian teen Vlad Kolesnikov whose life unraveled after he wore a shirt to school with a Ukrainian flag and the words “Return Crimea.” Kolesnikov, 18, committed suicide on or shortly following Christmas. RFE/RL publishes his final text messages to Bigg, and the reporter weighs in on the gang mentality that permeates Putin’s Russia.