'We all want to believe we would be the hero': Why one woman froze in a crisis
When Jeva Lang was riding the subway, she saw a man in distress step in between the cars. She believed he was contemplating suicide. But she didn't try to help him, hoping a fellow riders would intervene instead. Since then, she's thought deeply about why she froze in that moment. She tells Piya what she's learned about how the "bystander effect" plays out in crisis situations.