Review: a refreshingly forthright one 
Sentiment: positive

Review: their quirky and fearless ability 
Sentiment: positive

Review: loses its overall sense of mystery and becomes a tv episode rather than a documentary that you actually buy into . 
Sentiment: negative

Review: has the stomach-knotting suspense of a legal thriller , while the testimony of witnesses lends the film a resonant undertone of tragedy . 
Sentiment: positive


Review: that covers our deepest , media-soaked fears