Dozens died, hundreds were injured and hundreds more arrested - almost all Shia Muslims, the majority population in a country ruled by a Sunni Muslim royal family, the al-Khalifas.
A panel of international human rights experts criticised the use of "excessive and unnecessary lethal force."
Now, authorities in the Gulf island kingdom say they have undertaken a lengthy list of reforms of the police.
Critics say the reforms are little more than window dressing.
Bill Law visited a Shia community to gauge the feeling there two years on. (+ video) » | Thursday, August 22, 2013
