No glory for bullies: South Korea's school violence epidemic

Korean hairdresser Pyo Ye-rim suffered a litany of abuse from school bullies, but now she's speaking out. The 26-year-old is part of a phenomenon sweeping South Korea known as "Hakpok #MeToo", where people who were bullied publicly name and shame the perpetrators of school violence -- "hakpok" in Korean -- decades after the alleged crimes.