Officially, police still aren’t talking much about why Assistant Chief Diane Groomes was placed on administrative leave, but the District’s Councilmembers — flooded with calls and emails in support of the popular commander — sure are spilling the beans. At-Large Councilmember Phil Mendelson, who chairs the Council’s Public Safety and Judiciary Committee, told the Post this morning that the test which Groomes is alleged to have helped officers cheat on was an open-book assessment. (Go…

A Metropolitan Police Department spokesperson announced this evening that Assistant Chief Diane Groomes has been placed on administrative leave due to an investigation into accusations that she “compromised” a training test given to other officers.