The video, shot by eyewitness Marat Arnis, was published in the community "Vedom" in VKontakte.
The footage shows Trepova handing Tatarsky a box with a figurine. After that, the soldier addresses her by the name of Nastya.
"Nastya, Nastya, come here sit down. Or here wherever you want," he tells her in the video.
After that, it is shown how she sat on one of the places near Tatarsky. At the same time, Tatarsky himself took out a statuette from the box in front of the guests.
"Wow, some handsome guy in a helmet," he said.
In addition, the video shows the first minutes after the explosion. The footage shows Trepova leaving the scene of the attack.
On April 2, an explosion occurred in St. Petersburg. The incident occurred in the café "Street Bar" on the University Embankment in the city center. Voenkor Vladlen Tatarsky was killed. Another 33 people were injured, the Ministry of Health reported.
The suspect in the case of the explosion, 26-year-old Daria Trepova, was detained in St. Petersburg on April 3.
According to the investigation, the planning and organization of the crime was carried out from Ukraine.
According to preliminary data, a statuette filled with explosives, which was given to Tatarsky by Daria Trepova, exploded.