How have appellate judges treated evidence that victims and witnesses were responding to police questioning?

Appellants develop no legal analysis or authority regarding their point that victims and witnesses were responding to police questioning. Forty pages later in their opening brief, appellants assert in a subheading (under a heading about due process violations rendering trials "fundamentally unfair") that the hearsay statements from crime victims deprived defendants of the opportunity for cross-examination. The single paragraph under this subheading in their appellate brief contains no legal analysis or authority whatsoever. The matter is forfeited. (Kim v. Sumitomo Bank (1993) 17 Cal.App.4th 974, 979, 21 Cal.Rptr.2d 834.)