This was in the Off Season forum a few days ago.

I think they said it was a Golden Eagle...and I'm pretty sure it was in a foreign country, but I can't remember where. They guy was training the hawk and the deer was purposely let go to be caught, it wasn't by chance.

Here's the links:
http://www.huntingnet.com/forum/tm.aspx?m=2189999
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&VideoID=1 2088281