BURLINGTON – Walter Sartory spent his last days alive, drugged and duct taped to a chair in Willa Blanc’s basement, a detective testified Monday. After the 73-year-old reclusive millionaire died, his body was stuffed into a trash can then burned, he said. Meanwhile Blanc was using a Power of Attorney supposedly signed by Sartory to drain the millionaire’s investment accounts, Detective Coy...