Germany makes doping a criminal offence

Steve Crossman examines Germany's new anti-doping law that could see sportsmen and women found guilty of doping face prison and sentences of up to three years.

We also hear from Hajo Seppelt, whose anti-doping investigation for German broadcaster ARD led, ultimately, to Russia's ban from international athletics.

(Picture: Technician holding urine samples at the French national anti-doping laboratory, credit: FRANCK FIFE/AFP/Getty Images)