FILE – This photo provided by the Miami-Dade Corrections & Rehabilitation Department shows Chen Wu. The man has been sentenced to life in prison after pleading guilty to killing four workers at an Oklahoma marijuana farm in 2022. Court records show that Chen Wu pleaded guilty at a court hearing Friday, Feb. 9, 2024 to four counts of first-degree murder and to one count of assault and battery with a deadly weapon in connection with the Nov. 20, 2022 killings.