Troopers Dakota DeMoss and George Harper were fired last week after having been previously arrested and accused of using excessive force against Black suspects.
The 83-year-old has served more than two years of his three to ten year sentence. This week, the Pennsylvania parole board denied his petition for release.
Ronald Greene's family recently launched a Justice for Ronald Greene GoFundMe to help raise money to bring the state troopers involved in his death to justice.