DETROIT, MI - Charges against three more members of a Philadelphia-based armed robbery crew were unsealed Tuesday on charges relating to two Michigan jewelry store robberies, announced United States Attorney Barbara L. McQuade.\r\n\r\n\r\nMcQuade was joined in the announcement by Paul M. Abbate, Special Agent in Charge of the FBI Detroit Field Office, Sheriff Larry Stelma, Kent County Sheriff\u2019s Department and Chief Michael Patton, West Bloomfield Police Department.\r\nDavid Briley, 45, Shaheed Calhoun, 35, and Orlando Johnson, 40, all of Philadelphia, Pennsylvania, join Nathaniel Pembrook, 42, who was initially charged in September 2014, with charges relating to armed jewelry store robberies here in Michigan on April 22, 2014.\r\nAccording to the indictment, Briley, Calhoun, Johnson, and Pembrook robbed two jewelry stores. The first robbery took place at Medawar Jewelers located on Plainfield Avenue in Grand Rapids. The second robbery took place at Tapper\u2019s Diamonds and Fine Jewelry located on Orchard Lake in West Bloomfield. In both robberies, the robbers entered the stores during business hours with their faces covered or partially covered and brandished a firearm while ordering employees and customers to the floor. During the robbery at Medawar Jewelers, Pembrook was shot in the arm by one of the store owners. Blood recovered from the scene in Grand Rapids was DNA tested and determined to be that of Nathaniel Pembrook.\r\nUnited States McQuade, stated, \u201cThis case is an excellent example of the value of collaboration by federal, state and local law enforcement. We are grateful for the diligence of all of our partners in investigating this case so that these charges could be filed.\u201d\r\n\u201cAs reflected by the indictments, FBI Detroit\u2014along with our federal, state and local partners\u2014remains dedicated to the pursuit and apprehension of those responsible for these acts of violence,\u201d stated Paul M. Abbate, Special Agent in Charge of the FBI Detroit Field Office. \u201cThe continued, multi-jurisdictional collaboration between law enforcement resulted in the indictment of David Briley, Shaheed Calhoun, and Orlando Johnson for their involvement in these violent robberies, and we will maintain our resolve as we continue to thoroughly investigate this case.\u201d\r\n\u201cInvestigators in this case have been relentless. It should send a powerful message to the criminals within our community that justice will prevail,\u201d stated Kent County Sheriff Larry Stelma.\r\n\u201cThe entire West Bloomfield community is grateful for the great law enforcement partnership that has led to the continuing federal indictments related to these very serious crimes. As the investigation continues, this partnership remains devoted to bringing everyone that played a role in these incidents to justice,\u201d said Chief Michael Patton.\r\nAll four men have been charged with Interference with Commerce by Robbery, Possession of a Firearm in Furtherance of a Crime of Violence, Conspiracy to Interfere with Commerce by Robbery and being a Felon in Possession of a Firearm. If convicted on all charges, they will all face up to life in federal prison. All four men were arrested in Pennsylvania. Pembrook is currently detained here in Michigan awaiting trial. Johnson, Briley and Calhoun are currently awaiting removal to Detroit for his arraignment on the charges.\r\nThe case was investigated by the West Bloomfield Police Department, the Kent County Sheriff\u2019s Department and the Oakland County Gang and Violent Crimes Task Force, which is comprised of Special Agents with the FBI Oakland County Resident Agency, and state and local law enforcement officers with the Oakland County Sheriff\u2019s Office; the Michigan State Police and the Michigan Department of Corrections, Parole; and the Bloomfield Twp., Auburn Hills, Royal Oak , Southfield, and Waterford Twp. Police Departments. The case is being prosecuted by Assistant U.S. Attorneys Daniel Lemisch and Chris Graveline with the United States Attorney\u2019s Office for the Eastern District of Michigan in Detroit with the assistance of the United States Attorney\u2019s Office for the Western District of Michigan.\r\nAn indictment is only a charge and is not evidence of guilt. Every defendant is entitled to a fair trial in which it will be the government\u2019s burden to prove guilt beyond a reasonable doubt.