Agrega una trama en tu idiomaFour years after the original massacre, a professor researches the teenage killers' personal lives for her dissertation on youth crimes. She soon discovers the teens friends and family membe... Leer todoFour years after the original massacre, a professor researches the teenage killers' personal lives for her dissertation on youth crimes. She soon discovers the teens friends and family members she interviews are being murdered days later, and she's next on the new killers' blood-... Leer todoFour years after the original massacre, a professor researches the teenage killers' personal lives for her dissertation on youth crimes. She soon discovers the teens friends and family members she interviews are being murdered days later, and she's next on the new killers' blood-soaked list.