Accused Philadelphia cop killer Eric Lewis faces new federal gun, robbery charges after deadly ambush

The man accused of ambushing two Philadelphia police officers, killing one and wounding another, now faces federal charges.

Eric Lewis, 35, is accused of fatally shooting Philadelphia Police Officer Shane Seiber and wounding his partner. He faces a range of state charges, among them murder, homicide of a law enforcement officer, attempted murder, 10 counts of attempted homicide of a law enforcement officer, aggravated assault, terroristic threats and other related offenses.

In addition to the state-level charges, Lewis on Thursday was indicted on federal charges of interstate commerce by robbery, discharging a firearm during a crime of violence, possession of a firearm and ammunition by a felon, theft of a firearm that has moved in interstate commerce, and possession of a stolen firearm and stolen ammunition.

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Eric Lewis faces 76 charges, including murder, attempted murder, homicide of a law enforcement officer and 10 counts of attempted homicide of a law enforcement officer. (Philadelphia Police Department)

If convicted, the charges bring a statutory maximum of life in prison and a minimum of 10 years.

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The fallen officer was identified as Shane Seiber, a 40-year-old father of two and Air Force veteran who spent 10 years with the Philadelphia Police Department. (Philadelphia Police Department)

At a news conference on Thursday, David Metcalf, U.S. Attorney for the Eastern District of Pennsylvania, said that Lewis wasn't allowed to carry a gun under U.S. law.

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Officers pay their respects at the funeral of Philadelphia Police Sgt. Shane Seiber on Tuesday, Oct. 20, 2026. Seiber was posthumously promoted after he and his partner were shot in the line of duty on Oct. 10. His partner survived the ambush. (Kyle Mazza/CNP for Fox News Digital)

"Under federal law, Eric Lewis is not allowed to possess a firearm. He is a convicted felon under federal law. He is certainly not allowed to steal a firearm, and under federal law, he is certainly prohibited from using any firearm to rob, shoot, and kill a police officer, as a result of those actions," Metcalf said.

This is a developing story.

Adam Sabes is a reporter for Fox News Digital. Story tips can be sent to Adam.Sabes@fox.com and on Twitter @asabes10.