Daniel Penny, a former Marine, is set to go on trial following the fatal choking of Jordan Neely, an unarmed homeless man, on a New York City subway. The trial includes jury selection that has begun amid protests and accusations of white supremacy directed at Penny. Lawyers for Penny plan to present a defense that places jurors in the situation, asking them what they would do in a similar circumstance. The case has garnered significant public attention, raising questions about self-defense and the treatment of vulnerable populations in urban settings.