Not just the Epi Pen, Diabetic INSULIN has risen over 3000% in 14 yrs. I suspect for the same type reasons. People are dying, going blind, and having limbs amputated for lack of being able to pay for their medicine. Reading the last article you will find Express Scripts which is known for FRAUD listed. And if you are Ret. Military over 65 you are DOD MANDATED to use Military base or ES for your daily meds!
http://www.cbsnews.com/news/soaring-insulin-prices-have-diabetics-feeling-the-pain/
http://diatribe.org/unpacking-rising-cost-insulin-and-what-it-means-patients
Don't forget that my school taxes have also risen over 10% a year for the past 25 years - they have some explaining to do as well especially since the product doesn't work.