Slave raids also began in about 1805, and in 1862 and 1863 Peruvian and Spanish slave boats captured an estimated 1500 local people. After this, reports of smallpox are rife. When missionaries finally arrived, they found a starving people whose society undeniably had collapsed. By 1872, following further slave raids and transports to Tahiti, only around 100 local people were left on Rapa Nui.