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PHILADELPHIA (CBS) – The Philadelphia NAACP is holding a news conference Sunday morning on the latest appeal from convicted killer Mumia Abu-Jamal. The civil rights organization opposes Philadelphia District Attorney Larry Krasner’s decision to fight the appeal.

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Abu-Jamal was convicted of the 1981 murder of Philadelphia Police Officer Daniel Faulkner.

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He has been granted a new appeals hearing because of a Supreme Court ruling.

It says a former Pennsylvania justice who heard his appeal had a potential conflict of interest.

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The press conference is being held at the Philadelphia NAACP headquarters.