When state troopers arrive at Lauret Savoy’s home, just after midnight, they find the acclaimed author lying in a pool of blood. She had been severely beaten. By Savoy’s side is her friend of 14 years and colleague at Mount Holyoke College, art professor Rie Hachiyanagi. It was Hachiyanagi who called 911. Savoy tells the police she can’t offer any information on the …