For around a decade, physician Natalya Lebedeva worked out of the Star City clinic as a paramedic. One autumn, she and another doctor were called out to the 12th-floor apartment of a young musician.

The Star City Closed Administrative Territorial Unit is barely an hour’s drive northeast of the Kremlin, but for decades the town never appeared on any maps. Only after the Soviet Union fell apart was ...

For around a decade, physician Natalya Lebedeva worked out of the Star City clinic as a paramedic. One autumn, she and another doctor were called out to the 12th-floor apartment of a young musician.