People v. Tidd

Filed 8/29/24 CERTIFIED FOR PUBLICATION IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA FIRST APPELLATE DISTRICT DIVISION THREE THE PEOPLE, A167548 Plaintiff and Respondent, v. (City & County of San Francisco Super. Ct. Nos. CRI21008732, RAYMOND TIDD, SCN234453) Defendant and Appellant. When a party seeks to introduce expert testimony, the trial court acts as a “ ‘gatekeeper’ ” to exclude testimony that lacks a reasonable basis. (Sargon Enterprises, Inc. v. University of Southern California (2012)

55 Cal.4th 747, 753, 770

(Sargon).) The question before us is whether the trial court adequately…