Actress and left-wing activist Mia Farrow tweeted responded to a revenge shooting in the Bronx by tweeting “humans are a species that should not have guns.” Farrow was reacting to a New York Daily News report of 18-year-old Luis Rivera driving up alongside 24-year-old Nelson Caban on the Bronx Expressway and shooting him dead. Caban had allegedly shot and wounded Rivera eight months earlier.