Fact-checking US gun crime statistics

Published: Dec. 21, 2012, 5 p.m.

Tim Harford investigates gun crime statistics in the US. Plus, why death is not always the one hard fact that\u2019s hard to fudge; the average age of first-time buyers; whether chocolate makes you clever; the statistical paradox of road collisions caused by deer; and the maths of juggling. Producer Ruth Alexander