What killed Whitney?

The circumstances surrounding Whitney Houston’s death still remain a mystery as family and friends prepare for Saturday’s funeral. NBC’s Kristen Dahlgren joins MSNBC’s Chris Jansing to discuss the latest news in the Houston investigation. (Jansing and Co)

MSNBC | February 15, 2012

Tags:. .dahlgren. .jansing. .circumstances. .funeral. .kristen