Umar S. Israilov, a whistleblower living in hiding after accusing Chechnya's president of personally participating in torture, kidnapping and murder, was gunned down here last year as he stepped from a grocery store with yogurt, eggs and bags of M&M's and Gummi Bears for his three young children.

The president of the Russian republic of Chechnya, Ramzan A. Kadyrov, who has suppressed a separatist insurgency with harsh methods and unwavering Kremlin backing, vigorously denied any knowledge of Mr. Israilov, one of his former bodyguards, or of his death.

Read the entire New York Times article here.