Fidai Mahaz splinter group claims it was behind the murder of Swedish journalist Nils Horner . Many skeptical of the group 's assertion . Score: 6 Killing comes at a delicate time for Kabul and Afghanistan .
Fidai Mahaz splinter group claims it was behind the murder of Swedish journalist Nils Horner . Many skeptical of the group 's assertion . Radical group is at odds with the Taliban -- and even more extremist . Killing comes at a delicate time for Kabul and Afghanistan .