Eric Lewis now faces federal charges including firearm offenses after allegedly ambushing two Philadelphia police officers and killing Shane Seiber.
https://www.foxnews.com/us/accused-philadelphia-cop-killer-eric-lewis-faces-new-federal-gun-robbery-charges-deadly-ambush
https://www.foxnews.com/us/accused-philadelphia-cop-killer-eric-lewis-faces-new-federal-gun-robbery-charges-deadly-ambush