SAN ANTONIO — Mark Howerton, who was convicted of aggravated assault causing serious bodily injury to his girlfriend, Cayley Mandadi, will remain in prison after the Fourth Court of Appeals upheld his conviction this week.
Howerton was sentenced to 20 years in prison in 2023 after a jury acquitted him of murdering Mandadi but found him guilty of the lesser charge. He immediately appealed the conviction, citing a mistrial from the first trial as part of his appeal…