A police disciplinary board has heard closing arguments in a probe of the highest ranking Baltimore officer involved in the 2015 arrest of a 25-year-old black man who died from injuries he sustained in a police van.

Attorneys gave their closing arguments Thursday. It wasn’t immediately clear when the three-member panel will issue a ruling.

Lt. Brian Rice was shift commander during the April 2015 arrest and van transport of Freddie Gray. Rice was acquitted in a criminal trial last year but still faced 10 charges before a police board.

The panel found Officer Caesar Goodson not guilty of 21 charges last week. Goodson was the van driver.

Gray died a week after he suffered a spinal cord injury in the van, setting off Baltimore’s worst riots in decades.

(AP)