Analysis: rapid detection of supposed culprit by the FSB raises question of why no arrest was made
Each new claim over the attack that killed Darya Dugina seems to raise more questions than it answers.
On Monday, Russia’s FSB security service claimed to have cracked the case, publishing information and a video it said showed a Ukrainian woman from the country’s Azov regiment was responsible for the murder of Dugina, whose father is the far-right ideologue Alexander Dugin.