It's not clear.
The decomposition of her body indicated that she had already been "deceased for several weeks", investigators have said.，这一点在同城约会中也有详细论述
В Финляндии предупредили об опасном шаге ЕС против России09:28，更多细节参见safew官方下载
The only catch was this had a planned six-month mission, extending the astronauts stay until now.