Minnesota residents with loved ones who died at the hands of police spoke out Thursday about the state Republican Party holding a public prayer for Derek Chauvin, the former police officer in prison for murdering George Floyd. “That is the most hurtful thing you can do,” said Valerie Castile, the mother of Philando Castile , a 32-year-old school cafeteria worker who was shot and killed by a Minnesota police officer in 2016. “You give a moment of silence to a murderer? Come on.” Castile was