Video Explanation of Federal Felon in Possession of a Firearm Charges February 3, 2020 Zak Goldstein Philadelphia criminal defense lawyer Zak T. Goldstein, Esquire provides a brief overview of federal felon in possession of a firearm charges in the Eastern District of Pennsylvania. If you are facing criminal charges, call 267-225-2545 to speak with one of our award-winning defense attorneys today.