SowetanLIVE's sister publication TimesLIVE understands the group was traced after authorities carried out the meticulous task of reviewing banking information to track money flowing across continents with some transactions dating back to 2018.
Hawks head Lt-Gen Godfrey Lebeya commended the work of the multidisciplinary team which led to the arrests.
“Organised criminal groups should know law enforcement agencies are collaborating on an international level to dismantle criminal networks,” said Lebeya.
These arrests are another knock to Nigerian organised crime groups operating sophisticated international fraud schemes from SA.
In October last year the Hawks raided properties and arrested eight people associated with notorious Nigerian organised crime group Black Axe.
Six of those arrested in Cape Town were allegedly members of the Black Axe Cape Town Zone's “Council of Elders”. The arrests effectively decapitated the group in Cape Town by removing its top decision-making structure.
This had repercussions for the Black Axe group globally due to the Cape Town Zone's significance as a springboard for Black Axe members into the rest of the world.
The eight Cape Town suspects are expected to start court proceedings for a US extradition hearing after being denied bail by the Cape Town magistrate's court in December.
Another knock came when another alleged Black Axe member, Isaiah Uwadiegwu Okere, 39, was arrested in Douglasdale, Johannesburg in December.
Another alleged Black Axe member, nightclub owner and suspected Midrand Zone leader, Abdul Olatunji, is also expected to be sentenced for BEC fraud on April 4 after his arrest by the Hawks in 2019.