San Diego

San Diego Court Tosses Key Sex Convictions for Ex-Granite Hills Teacher

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Published on March 30, 2026
San Diego Court Tosses Key Sex Convictions for Ex-Granite Hills TeacherSource: Tingey Injury Law Firm on Unsplash

A state appeals court last Friday wiped out the most serious convictions against Gerald Lopez, a former English teacher and coach at Granite Hills High School who was found guilty in 2024 of sex-related charges involving a then-17-year-old student. The decision tosses both the felony child-sexual-abuse-material conviction tied to a photograph and a related child-molestation-related conviction, while keeping legal options alive for prosecutors. The three-judge panel zeroed in on what it called insufficient evidence for one count and improperly handled testimony for another.

In a published opinion from a three-justice panel of the Fourth District Court of Appeal, the judges concluded that the photograph at the center of the felony child-sexual-abuse-material charge did not show the girl engaging in “sexual conduct,” meaning the felony could not legally stand, according to Times of San Diego. The panel also found that jurors sat through several days of testimony, it described as irrelevant and prejudicial, and that the defense was blocked from presenting planned rebuttal evidence. Taken together, the court said, those errors likely misled jurors and undercut the overall fairness of the trial.

Lopez was arrested in 2022 after the teen’s mother discovered text messages between her daughter and the teacher, and an El Cajon jury convicted him in 2024, according to earlier reporting. He was found guilty of a felony count of possessing child sexual-abuse material and a misdemeanor count of annoying or molesting a child, and was given a suspended six-month county jail term and formal probation, according to 10News. The same jury acquitted Lopez on more than a dozen additional counts and deadlocked on five counts of sending harmful material to a minor, which were later dismissed at trial.

The appeals panel vacated the misdemeanor child-molestation conviction because of the trial-testimony issues, but also ruled there was enough evidence to legally support that charge, meaning prosecutors may seek a retrial on it, per the Times of San Diego. In practical terms, the ruling wipes away the prior verdicts tied to the photographic evidence and the mishandled testimony while still leaving the door open for prosecutors to try again on at least one count. The panel also noted that the trial judge later acknowledged portions of the victim’s testimony should have been kept out, creating a messy record for appellate review.

What Comes Next

Prosecutors now have a decision to make: retry the misdemeanor count that survived legal scrutiny but not the prior verdict, seek further guidance from the courts, or live with the appellate ruling as is. Lopez remains free while the district attorney’s office weighs its options and before any new filings or a retrial decision. The San Diego County District Attorney’s Office had previously objected when Lopez was allowed to remain out of custody after sentencing, and the appeals decision will likely drive whatever strategy comes next for both sides. The Grossmont Union High School District has said Lopez was no longer on staff after the 2022 investigation; Granite Hills High is in El Cajon.

Legal Context

When an appellate court vacates a conviction, it is saying the original verdict is legally unreliable because of procedural or legal error, not declaring that a defendant is factually innocent. Here, the panel focused on evidentiary standards and basic trial fairness, issues that frequently determine whether a case can be tried again or must be dropped altogether. Any new move by prosecutors would likely depend on whether they can present the evidence in a way that meets those standards and cures the problems the appeals court flagged in its opinion.