After years of debate over the link between the relocation of Botswana’s Kalahari Bushmen and diamond exploration, renewed mineral exploration on Bushmen land is rekindling the controversy... Business Day has confirmed that TH Drilling (THD) of Gaborone, Botswana, has sent crews into the Central Kalahari Game Reserve (CKGR) to drill 15 test pipes on leases held by Petra Diamonds in the Gope area... The government is accused of putting the interests of the reserve before those of its people and securing its mineral interest... [M]ost of Botswana’s 50000 San have already been relocated into 63 resettlement villages, where water, health and education services are provided, but the communities are dying... Petra Diamonds CEO Johan Dippenaar said recently...[the] central Kalahari was a vast area and Petra Diamonds was operating only in a very small portion of it... Last December, De Beers chairman Nicky Oppenheimer urged President Festus Mogae to reconsider its resettlement policies, citing concern over the potential effect on the image of diamonds.