More than two dozen people were arrested in DC, Maryland and Virginia Wednesday as the ATF, the FBI and local agencies teamed up for a gang-related sting operation, according to authorities. Officials say the arrests stemmed from an investigation into Blood gang-related crimes throughout the area, particularly in Northern Virginia.The ATF announced earlier Wednesday they were engaged in "ongoing law enforcement activity" from Woodbridge to Alexandria. According to authorities, "Operation Tin Panda" started this past Spring, as they investigated Blood-related crimes over the course of the year.Officials say utilizing search warrants today, officers found guns, heroin and other drugs. Before...