Zaur Dadayev had confessed to shooting opposition leader Boris Nemtsov . But he has now claimed this was forced under torture and threat of death . Human rights activists say his body shows signs of him being beaten . Comment: Five people have been detained in connection with his killing . Media have claimed his death was ordered by a Chechen security official .
Zaur Dadayev had confessed to shooting opposition leader Boris Nemtsov . But he has now claimed this was forced under torture and threat of death . Human rights activists say his body shows signs of him being beaten . Nemtsov was gunned down as he walked home with girlfriend last month . Five people have been detained in connection with his killing . Media have claimed his death was ordered by a Chechen security official .