Kalal v. Gonzales, __ F.3d __ (9th Cir. March 30, 2005) (Conditional permanent resident status cannot be properly granted to a noncitizen who enters with a K-1 visa, granted for the purpose of marrying one person, were the noncitizen marries someone else).
http://caselaw.lp.findlaw.com/data2/circs/9th/0371354p.pdf