Fallen Marine's Heartbreaking Letter
Sgt. William Stacey says 'It was all worth it"
Fallen Hero's Final Words
Sgt. William Stacey, who died earlier this week in Afghanistan during his fifth overseas deployment, with his long-term girlfriend Kimmy Kirkwood. His mother, Robin, says Kimmy was "the love of his life." (Courtesy Stacey Family)
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