Vincent Gray’s 2010 mayoral campaign was marked by chaos and dysfunction that could have allowed for the existence of an alleged shadow campaign and potentially illegal donations that now are the subject of a federal investigation, former aides to the now-mayor acknowledged in a series of interviews.

“There were a lot of blurred lines,” said one of the former campaign officials who spoke to The Washington Examiner on the condition of anonymity to discuss the 2010 effort candidly. “[The campaign] was held together by dental floss.”