People v. Herrera

YEGAN, J., Dissenting:

I respectfully dissent.

Until today, it was settled that a mental health expert may not give testimony that *198the defendant did or did not form the mental state required for the crime charged. (Pen.Code, § 29 ; People v. Pearson (2013) 56 Cal.4th 393, 443, 154 Cal.Rptr.3d 541, 297 P.3d 793 ; People v. DeHoyos (2013) 57 Cal.4th 79, 121, 158 Cal.Rptr.3d 797, 303 P.3d 1 ; People v. Halvorsen (2007) 42 Cal.4th 379, 408, 64 Cal.Rptr.3d 721, 165 P.3d 512 ; People v. Coddington (2000) 23 Cal.4th 529, 583, 97 Cal.Rptr.2d 528, 2"…