A State Appellate Panel today upheld the murder conviction of former NYPD officer Richard DiGuglielmo in the 1996 shooting death of Charles Campbell outside a Dobbs Ferry delicatessen.

DiGuglielmo had served 11 years of a 20 year-to-life sentence for Campbell's murder, when, in 2008, a judge overturned his conviction, claiming some witness statements were coerced by police.

Today, the five member Appellate Panel unanimously ruled that the evidence provided by the witnesses did not affect the original guilty verdict in the case. DiGuglielmo is due to return to court next week, at which time, he's expected to begin serving the remainder of the sentence in State Prison.

DiGuglielmo was off-duty, working at his father's deli on Ashford Avenue in Dobbs Ferry, when his father and brother in law got into an altercation with Charles Campbell of White Plains. Campbell hit DiGuglielmo's father with a baseball bat and was then shot by DiGuglielmo, a move the defendant claimed was self-defense.