Singapore has some of the harshest drug laws in the world. The penalties for trafficking illegal narcotics include decades in prison and even a death sentence. Citizens of Singapore face consequences even if they take drugs while abroad. The government argues its zero-tolerance policy towards drugs – including cannabis - is an effective deterrent.

Katya Adler speaks to journalist and documentary maker Linda Pressly about whether Singapore's harsh drugs laws really deter drug crimes.

You can listen to Linda's full documentary 'Assignment: Singapore – drugs, rehab, execution' by searching for The Documentary wherever you get your podcasts.

Producers: Alice Aylett Roberts and Peter Goffin

Sound engineers: Mike Regaard and Phil Bull

Assistant editor: Sergi Forcada Freixas

Senior news editor: Sara Wadeson