Two South African men have been sentenced for their roles in what police describe as the world's largest rhino horn trafficking case, concluding a legal process that began almost 16 years ago.

Dawie Groenewald, identified by South African police as the mastermind, received a 2 million rand (£92,000) fine or a four-year jail term after entering a plea agreement. His co-accused, Tielman Erasmus, was fined 100,000 rand or given a three-year prison sentence. The charges against them spanned illegal hunting and dehorning of rhinos, racketeering, and money laundering.

The Directorate for Priority Crime Investigation, known as the Hawks unit, confirmed the sentences. The case's lengthy duration was marked by over 15 years of delays, legal challenges, and constitutional court battles. Initially, 11 individuals were arrested in 2010, including professional hunters, veterinary surgeons, and a pilot, all allegedly involved in an organised criminal enterprise.

South Africa is a critical habitat for rhinos, holding approximately one-third of the world's critically endangered black rhino population and over 75% of the global southern white rhino population. The country faces a severe problem with rhino horn poaching, which accounted for 81% of poaching incidents in Africa in 2024. Rhino horn is falsely believed in some traditional medicine practices to have health benefits.

Research suggests that rhino horn can command tens of thousands of dollars per tonne on the black market. The international community continues to grapple with the economic and conservation implications of this illicit trade. The high value of rhino horn fuels organised criminal networks that target vulnerable rhino populations.

Groenewald and his brother Janneman had previously been accused by the U.S. justice department in 2014 of arranging illegal rhino-hunting trips for Americans under false pretenses. The initial police investigation into the trafficking ring commenced in 2007.

During the protracted legal proceedings, two of the original 11 accused individuals passed away. Additionally, 10 state witnesses reportedly died before the case could be fully adjudicated, highlighting the dangers and complexities involved in prosecuting such high-profile wildlife crime cases.

This sentencing represents a significant, albeit delayed, step in combating rhino horn trafficking. However, the long duration of the case and the loss of life underscore the challenges faced by law enforcement and the judiciary in bringing complex transnational wildlife crime syndicates to justice. The ongoing threat to rhino populations remains a critical conservation concern.