David Cook's brother Adam has died after a long battle with brain cancer.
According to David's official website, the "American Idol" winner announced his brother's death before the Race for Hope -- a 5k run which benefits brain cancer research -- in Washington, D.C. today.
Adam was 37.
David Cook's Brother Dies
5/3/2009 1:07 PM PDT BY TMZ STAFF
Get TMZ Breaking News alerts to your inbox