Investigators seek answers to Houston's death
Russia Obit Whitney Houston
Credit: AP
A woman places a flower tribute to US singer Whitney Houston on a fence surrounding the U.S. Embassy in Moscow, Russia, Sunday, Feb. 12, 2012. The internationally acclaimed singer, 48-year old Houston died Saturday, Feb. 11, in a Los Angeles, USA, hotel, and the cause of death is yet unknown. (AP Photo/Mikhail Metzel)
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