The motive for the killing of Bradley Martin, who was in his mid 70s, was unclear. (Ernst Haas/Getty)The area in Langata, the Nairobi suburb where Bradley Martin lived, has some security barriers and guards on main roads. The pair's most recent report, published in 2017, concluded that Laos has the fastest growing ivory trade in the world. Bradley Martin worked with Save the Elephants to help shut down the ivory trade. China banned its ivory trade at the beginning of this year.

Source: CBC News February 05, 2018 15:13 UTC