More than 150 people have died in police custody in Malaysia since the year 2000.
Many of the deaths have been put down to natural causes but the police have been accused of a cover-up.
Now there's an inquiry into why so many people have died.
But with the police force investigating its own staff - not everybody is convinced the truth will be uncovered.
Al Jazeera's Florence Looi reports from Kuala Lumpur.