Flowers and photos of Aleksandr Rastorguyev, Kirill Radchenko, and Orkhan Dzhemal are left at the journalist union building in Moscow. The Russian journalists were killed while on assignment in the Central African Republic. (AP/Pavel Golovkin)
Flowers and photos of Aleksandr Rastorguyev, Kirill Radchenko, and Orkhan Dzhemal are left at the journalist union building in Moscow. The Russian journalists were killed while on assignment in the Central African Republic. (AP/Pavel Golovkin)

Killing of 3 Russian investigative journalists in Central African Republic must be probed