In her novel Harry Potter and the Half-Blood Prince, JK Rowling writes about the double crossing of a teacher and how the Dark side confronts the innocent students of the school. By using lies and violence as a tool, Lord Voldermort and his followers work their way into power. Harry tries to warn Dumbledore of events he foresees, but all attempts turn into failure. Throughout the story the theme of betrayal is seen through the dark lord, a teacher, and a young kid.

Back in Lord Voldermort's young days, when he was know as Tom Riddle, he was seeking to find out his family's history. He used facts and books and found his uncle who told him his mother had ran away with Tom Riddle Sr. Then Tom Riddle Sr. left her and she no longer cared for life, slowing dying. Fired up by this statement "Riddle murdered...