How have courts dealt with a motion to suppress a confession?

Defendant made no attempt in the trial court to suppress his confession on any ground, and thereby forfeited his appellate claim. (People v. Scott (2011) 52 Cal.4th 452, 482 [failure to raise purported invocation of Miranda rights forfeited by failure to assert

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claim in trial court]; People v. Combs (2004) 34 Cal.4th 821, 845 [claim of invalid waiver of Miranda rights forfeited by failure to raise it in trial court]; People v. Holt (1997) 15 Cal.4th 619, 667 [failure to raise Miranda claim in motion to suppress for alleged due process violation].)