A Louisville teen convicted in the 2023 shooting death of 53 year-old Kenneth Maier in Irish Hill has been moved to adult custody to serve the rest of his 10-year prison sentence.
Keidrick Grinstead, who turned 18 Friday, appeared before Jefferson Circuit Court judge Eric Haner for final adult sentencing.
Grinstead previously pleaded guilty as a youth offender in January 2025 to complicity to second-degree manslaughter, possession of a handgun by a minor, receiving stolen property and criminal attempt to commit unlawful taking…