Official Site
Info, images & prototype video of cancelled PS2 & Xbox version - unseen64.net
Ben Bathen's Resume mentioning he worked on AGENT when it was originally set for release on PS2 & Xbox
William Kidwell's Resume has had the following taken out:
Rockstar Games San Diego, CA
3D Artist Oct. 2003 - Feb. 2008
Environment Artist on AGENT:
Created city structures, textures and props.
Was also chosen to join small team of artists for overseas photoshoot to gather reference in Cairo, Egypt.
This small team of 4 gathered over 10,000 photographs of the city of Cairo within 5 days.