[9][10][11] He was born to an ethnic Russian father, Nikolai, and a Muslim mother, Fanaziya, who both appealed to their son to abstain from violence and attempted to find him in Dagestan.

[18] On 19 January 2014, a statement and video claiming responsibility for the bombings was posted on the website of Vilayat Dagestan, a subgroup of the Caucasus Emirate.

The video shows two Russian speaking men, identified as Suleiman and Abdurakhman, preparing explosives and strapping them to their bodies.

[19] Secretary of the Russian Security Council Nikolai Patrushev called a special meeting of the National Anti-Terrorism Committee to discuss the terrorist acts and possible countermeasures.

[21] People laid flowers and lit candles near the building of Volgograd region representatives in Moscow to express their solidarity with the victims.

"[24] He vowed that his country would continue to battle terrorists until all are eliminated[25] and that Russian forces would "do their utmost to protect women and children during their operations".

[26] After the meeting, he laid flowers at the site of the trolleybus attack and visited victims who were being treated in one of the city’s hospitals.

[29] The President of Israel said "My heart goes out to those who have been affected by the heinous deed and by previous attacks which have afflicted Russia", while the Prime Minister stated: "I have no doubt that the citizens of Volgograd will continue to demonstrate the resilience, resolve and courage for which their city is renowned.

[30] The Government of Colombia, through its Ministry of Foreign Affairs, condemned the attacks perpetrated in Volgograd and expressed its condolences to the families of the victims.

[32] According to the official investigation, the bombings were organized by a terrorist group called Kadarskaya based in Dagestan and led by Dzhamaltin Mirzayev.

On 5 December 2014, Alautdin Dadayev and Ibragim Magomedov were found guilty of participation in illegal armed formation and aiding terrorist activity (articles 208/2 and 205.1/3 of the Criminal Code of Russia) and sentenced to 19 years of imprisonment.

Bagirov brothers were found guilty of aiding participants of illegal armed formations (articles 33/5, 208/2) and sentenced to 3 years 10 months of imprisonment each.