In re Seaton (2004) ___ Cal.4th ___ (claims of constitutional error, even when clear and fundamental and striking at the heart of the process, that were not raised at trial may not be raised in habeas proceeding, unless ineffective assistance of counsel is shown or the facts were not known at the time of trial).
http://caselaw.findlaw.com/data2/californiastatecases/s067491.doc