The complaint alleges that Kevin McCaa, 36, and Charles Ducksworth Jr., 26, both of Milwaukee, murdered or aided and abetted the murder.SIGN UP TODAY: Get daily headlines, breaking news emails from FOX6 NewsHome surveillance video caught a silver Audi SUV and suspected killer, who cut through a yard.U.S. Attorney Gregory Haanstad:"Today’s charges are the direct result of the tireless efforts of dedicated law enforcement professionals from the Milwaukee Police Department, the United States Postal Inspection Service, the FBI and other federal, state, and local partners.Postal Inspection Service and the Milwaukee Police Department to bring those responsible for this senseless crime to justice.USPS Acting Inspector in Charge, Chicago Division Kai Pickens:"Though no words can ever undo this terrible crime, we can at least say that these arrests are another step toward securing justice for Aundre Cross.""