To police investigators, the double-wide in rural Polk County was the hiding place of a drug trafficker. But to her family, it was merely the longtime home of a 76 year old widow named Helen Pruett. "All she did was go to church, go to Walmart, go to the beauty shop, and that's it," said Machelle Holl, Pruett's daughter. Tuesday morning, police dressed in black paramilitary fatigues, armed with weapons and an arrest warrant surrounded Pruett's home, knocked on the door and demanded to be let in. Helen Pruett's family says she saw them through the window, was frightened, and...