Nemtsov suspects' mother: 'They could never do something like this'
Two and a half weeks on from the murder of a key Russian opposition politician, Boris Nemtsov, five Chechen men are in custody, but very few details of the investigation have emerged.
There is widespread speculation about possible motives for the killing and questions over who, if anyone, might have ordered it.
Several of the suspects have reported that they were beaten after their detention, and pressured to confess.
The BBC's Sarah Rainsford has been to Ingushetia in the North Caucasus to talk to relatives of some of the key suspects.
It is the first time they have spoken to an international broadcaster.
17 Mar 2015
- From the section Europe