FILE – In this Feb. 27, 2013, photo, a woman crosses the parking lot to the Philadelphia Police Department's headquarters building, which opened in 1963 and is known as the Roundhouse, in Philadelphia. Philadelphia city officials announced plans Wednesday, May 24, 2017, to relocate the Philadelphia Police Department's headquarters to the building that served as the home of The Philadelphia Inquirer and Daily News newspapers until 2012. (AP Photo/Matt Rourke, File)
FILE – This April 10, 2015, file photo shows the Philadelphia Police Department's headquarters building, which opened in 1963 and is known as the Roundhouse, in Philadelphia. Philadelphia city officials announced plans Wednesday, May 24, 2017, to relocate the Philadelphia Police Department's headquarters to the building that served as the home of The Philadelphia Inquirer and Daily News newspapers until 2012. (AP Photo/Matt Rourke, File)
FILE – In this Feb. 27, 2013, file photo, a car drives past the Philadelphia Police Department's headquarters building, which opened in 1963 and is known as the Roundhouse, in Philadelphia. Philadelphia city officials announced plans Wednesday, May 24, 2017, to relocate the Philadelphia Police Department's headquarters to the building that served as the home of The Philadelphia Inquirer and Daily News newspapers until 2012. (AP Photo/Matt Rourke, File)
In this frame from a Thursday, Jan. 7, 2016 video provided by the Philadelphia Police Department, Edward Archer runs with a gun toward a police car driven by Officer Jesse Hartnett in Philadelphia. Archer, using a gun stolen from police, said he was acting in the name of Islam when he ambushed Hartnett sitting in his marked cruiser at an intersection, firing shots at point-blank range, authorities said. (Philadelphia Police Department via AP)
In this frame from a Thursday, Jan. 7, 2016 video provided by the Philadelphia Police Department, Edward Archer runs with a gun toward a police car driven by Officer Jesse Hartnett in Philadelphia. Archer, using a gun stolen from police, said he was acting in the name of Islam when he ambushed Hartnett sitting in his marked cruiser at an intersection, firing shots at point-blank range, authorities said. (Philadelphia Police Department via AP)
This undated file photo provided by the Philadelphia Police Department shows Padge Gordon, also known as Padge Victoria Windslowe. Windslowe, an aspiring hip-hop artist who boasts about her talent for underground "body sculpting," has one last chance to impress a jury before the panel weighs murder charges against her in a dancer's death. Windslowe has been testifying since Thursday, Feb. 26, 2015, and faces more cross-examination this week. (AP Photo/Philadelphia Police Department, File)
Philadelphia Police Commissioner Charles Ramsey, left, speaks as District Attorney Seth Williams listens during a news conference Thursday, Feb. 5, 2015, in Philadelphia. Two Philadelphia police officers face brutality charges after prosecutors say they knocked a man off a scooter and beat him so severely another officer thought the bloodied man had been shot. (AP Photo/Matt Rourke)
Philadelphia Police Commissioner Charles Ramsey said six Philadelphia narcotics officers have been indicted on charges they spent years shaking down drug dealers, using gangland tactics to rob them of cash and drugs. (AP Photo/Matt Rourke)
In this undated photo provided by the Philadelphia Police Department, Gary Dudek, 54, of Wallingford, Pa., is shown. Dudek, a former medical company sales representative was arrested in Monday, May 26, 2014 and charged charged with stealing more than $350,000 worth of human skin over a period of several years. (AP Photo/Philadelphia Police Department)
FILE - In this Tuesday, Feb. 24, 2009 file photo, first lady Michelle Obama and Jill Biden, wife of Vice President Joe Biden, stand with Philadelphia Police Officer Richard DeCoatsworth during President Barack Obama's address to a joint session of Congress in the House Chamber of the Capitol in Washington. The former Philadelphia police officer who was hailed as a hero will stand trial on charges he raped two prostitutes at gunpoint. The November trial comes after the 28-year-old DeCoatsworth withdrew a plea to reduced charges Tuesday, April 1, 2014. (AP Photo/Evan Vucci, File)
FILE - In this Dec. 10, 2007 file photo, Philadelphia police officer Richard DeCoatsworth, who was shot in the face on duty while making a traffic stop, listens to Gov. Ed Rendell during a rally to push for new state gun laws at the Capitol in Harrisburg, Pa. The former Philadelphia police officer who was hailed as a hero and sat next to Michelle Obama at a presidential address will stand trial on charges he raped two prostitutes at gunpoint. The November trial comes after the 28-year-old DeCoatsworth withdrew a plea to reduced charges Tuesday, April 1, 2014. (AP Photo/Jason Minick, File)
This undated photo provided by the Philadelphia Police Department shows 35-year-old Marcellus Jones. Prosecutors say an indicting grand jury charged Jones on Monday, March 25, 2014 with with murder, conspiracy, robbery and other counts in the May 2008 murder of 23-year-old Beau Zabel. Jones is already serving a life sentence in another murder case. Authorities said Zabel had moved from Austin, Minn., and was scheduled to start work in the public schools. (AP Photo/Philadelphia Police Department)