User blog comment:Croc117/Deadly Duo:Nathan Hale & Joseph Capelli Vs. Master Chief & The Arbiter/@comment-2061886-20101221203208/@comment-422690-20101221203552

Yep, he did. He turned Chimeran, and so Capelli killed him to save the remaining humans. It appears Capelli married Hale's (foster) sister between Resistance 2 and Resistance 3, which would make for some... awkward conversations regarding Hale.