Do US crime statistics miss out the most violent cities?

Was an MP wrong about the number of people who pay capital gains tax?Why is 2% the magic number for the rate of inflation?Donald Trump says US crime figures are fake. Are they?How do you work out how many buffaloberries a bear eats in a day?And we fact-check a claim about the prevalence of suicide among GPs. For information and support follow this link: https://www.bbc.co.uk/actionlineTim Harford investigates some of the numbers in the news.Presenter: Tim Harford Reporters: Nathan Gower and Bethan Ashmead Latham Series Producer: Tom Colls Production co-ordinator: Katie Morrison Sound mix: Rod Farquhar Editor: Richard Vadon