article_snippet: The twins told prosecutors
article_snippet: The twins carried The twins injured mother to the bathtub which was filled with water.
article_snippet: The twinstold police that The twins discovered the blood-soaked crime scene when The twins came home from school in January 2010 .
article_snippet: The twins watched her mother sink below the surface and knew that her two then 16-year-old daughters was dead, The twins said in statements.
article_snippet: The teens lied and said The teens found The teens dead.
highlights_snippet: The twins dragged her injured body to the bathtub and watched her die, before leaving her submerged and going to school .