Lionel is a reporter at the Mail & Guardian Centre for Investigative Journalism, Amabhungane.
How undercover police infiltrated a criminal network that spent years hiding behind a curtain of shelf companies, Swiss bank accounts and pseudonyms.
Life-saving HIV drugs were allegedly diverted from Africa's public health system to sell in Europe.
Healthcare for Kenya's semi-nomadic communities comes in an unlikely form of camels, who carry medicine to the country's most remote villages.
Exposed: Southern African trio 'sold expired ARVs' in Europe at a 4 000% markup
In rural Kenya, camel clinics bring much needed care to those who need it
The investigation that unravelled an international syndicate dealing in stolen ARVs
Science could be closer to unravelling the riddle of menstruation-related mood disorders
A little extra money in young women's homes can go a long way towards protecting them from HIV infection. So can a little bit of concern.
Ebola tore into the fabric of family life, and the relationships that bind them. These are two similar stories, with very different endings.
Bhekisisa means "to scrutinise" in Zulu
In South Africa, Zulu patients who would like to be thoroughly assessed by a doctor, would ask the physician to "bhekisisa" them.