From his positions at the United Nations, Professor Heyns made a huge impact on the protection of the right to life and the right of peaceful assembly.
Despite a landmark deal in 2016 which brought an end to five decades of conflict, an upsurge in mass killings is threatening peace in Colombia.
Although the Nigerian government has announced the disbanding of the Special Anti-Robbery Squad, protesters have not let up. They are now calling for wider reforms.
The terror group uses the proceeds of criminal activity to support its political agenda.
Nigeria is on the verge of passing a law to criminalise rampant mob lynching. Other countries have tried to do this and failed.
Inefficient policing in Nigeria has forced many communities to rely on vigilante groups for security. Despite using force and violence, many groups even have support from authorities.
Nigeria's failure to protect its citizens from Boko Haram's insurgency has given rise to vigilante groups north east of the country.
It turns out that the president of the Philippines is exactly who he said he was.
More bloodshed lies ahead – but few are taking any notice.
After more than 7,000 killings by police and vigilantes, an incident involving the death of a South Korea businessman has finally put an end of Rodrigo Duterte's drug war.
Can Philippine president Rodrigo Duterte learn anything from Thailand's failed campaign against drugs in the early 2000s? Maybe to adopt a less bloody and more comprehensive approach.
ASEAN has been silent over the blatant disregard of human lives by the Philippines and Indonesia in the name of the 'war on drugs'.
To understand Rodrigo Duterte’s rise to power and the public support for killing drug dealers and users, we need to distinguish the empirical from the normative – the 'what is' from 'what should be'.
The Philippines is seeing a surge of extrajudicial killings of suspected criminals and drug users since Rodrigo Duterte assumed office last month.