In November 2004, he embedded with the Marines as they assaulted the insurgent stronghold of Fallujah, Iraq. His photos from that battle were published worldwide. Sinco is a 1982 graduate of the University of Washington. He was part of the Times' Pulitzer Prize-winning team for coverage of the 2003 California wildfires. In 2005, he was a finalist for the Pulitzer Prize for feature photography. He is married and has four children.