This administrative correspondence from the FSB Directorate for the Rostov Region is addressed to Lieutenant Colonel Smirnov G.I. of the Volgodonsk Department of Internal Affairs. The document identifies a list of residents from building No. 35 on Oktyabrskoye Shosse in Volgodonsk who had not yet been questioned as victims following the September 1999 apartment bombing. The list includes members of the Stepanyuk, Karenkov, Lugovets, Barkov, and Sannikov families. This document reflects the procedural investigative efforts coordinated by the FSB in the aftermath of the Volgodonsk attack, which was one of the four major apartment bombings in Russia that year. It highlights the granular level of tracking for residents of the targeted building during the criminal inquiry.