I re-posted Rep. Collins' tweet in the forum:
Rep. Doug Collins Twitter: Democrats Broke House Rules (Vanity)
twitter.com ^ | September 20, 2019 | Rep. Doug Collins
I found this FReeper comment particularly helpful:
"The consultant was used, basically a paid for lawyer, to isolate the house members from the questions being asked.
Questioning by proxy so no one in the house can take responsibility for it. That is all it was."