On the campaign trail for the US presidency, former president Donald Trump has been saying that the US is becoming a more dangerous than Venezuela.He also claims that the crime data for the US that the FBI collects is missing the most violent cities. Is he right? Tim Harford investigates, with the help of Bastian Herre from Our World in Data and Jay Albanese from Virginia Commonwealth University.Presenter: Tim Harford Producer: Bethan Ashmead Latham Series producer: Tom Colls Production co-ordinator: Katie Morrison Sound Mix: Annie Gardiner Editor: Richard Vadon