DNA tests of illegal ivory link multiple ivory shipments to same dealers
(PHYSorg.com Biology)

The international trade in elephant ivory has been illegal since 1989, yet African elephant numbers continue to decline. In 2016, the International Union for Conservation of Nature cited ivory poaching as a primary reason for a staggering loss of about 111,000 elephants between 2005 and 2015-leaving their total numbers at an estimated 415,000.