>The bomb that killed Darya Dugina was planted on the underside of the car, investigators said
10 to 1 odds it was planted by CIA or Mossad in an attempt to emotionally prod the Russian leadership into some action that can then be used as a pretext for broader war.
With the added bonus (for the sick f*cks that are in those intelligence services, and that direct them), that they enjoy harming people they think of as enemies in that way.
Where the ordinary man sees horror in taking loved one's away from people, and harming the innocent, an inherent unfairness to it, they take delight.