The letter from the police chief and state’s attorney was addressed to Del. Ariana Kelly, Democratic caucus chair in the county’s delegation. Kelly had been among the group of Democrats petitioning the law enforcement officials. Others were Dels. Kumar Barve, Al Carr, Bonnie Cullison, Marc Korman, David Moon, Pam Queen, Kirill Reznik, Shane Robinson, Ana Sol Gutierrez and Jeff Waldstreicher.