Mumia Abu-Jamal is an American political activist and journalist who was convicted of murder and sentenced to death in 1982 for the 1981 murder of Philadelphia police officer Daniel Faulkner. While on death row, he has written and commented on the criminal justice system in the United States. After numerous appeals, his death penalty sentence was overturned by a federal court. In 2011, the prosecution agreed to a sentence of life imprisonment without parole. He entered the general prison population early the following year.