BALTIMORE, MD - MAY 02: A police helicopter flies over homes as people participate in a dance party on North Ave., a day after Baltimore authorities released a report on the death of Freddie Gray, May 2, 2015 in Baltimore, Maryland. Marilyn Mosby, Baltimore City state's attorney, ruled the death of Freddie Gray a homicide and that criminal charges would be filed against six Baltimore City Police officers. Gray, 25, was arrested for possessing a switch blade knife on April 12 outside the Gilmor Homes housing project on Baltimore's west side. According to his attorney, Gray died a week later in the hospital from a severe spinal cord injury he received while in police custody. (Photo by Patrick Smith/Getty Images)