But she said the most devastating conclusion she had reached "was that Casey did indeed die for nothing ... killed by his own country which is beholden to and run by a war machine that even controls what we think".
"Casey died for a country which cares more about who will be the next American Idol than how many people will be killed in the next few months while Democrats and Republicans play politics with human lives," she wrote. It is so painful to me to know that I bought into this system for so many years and Casey paid the price for that allegiance. I failed my boy and that hurts the most."
"I am going to take whatever I have left and go home," Sheehan wrote.