Dannah Krone, seen at top left and bottom right in pictures with her older sister, Tina Orr, and Orr’s daughter Zoey, now 9 — says Orr changed in the final years of her life before she died after a prescription drug overdose.

The Deadliest Month of Prescription Overdoses

In every corner of Oklahoma, prescription painkiller abuse quietly takes the lives of hundreds of people. That was never more evident than in March 2014.