There's a wall of calls for an audit of parliamentarians, but the PM says no.
And Tony Abbott hasn't even said anything yet.
Back and forth it went, over and over.
But Labor and Greens say the minister's position is "untenable".
"This investigation is not into Mr Shorten - it is into the AWU."
Labor is now accusing the Liberal Minister of misleading parliament.
The Labor Leader says police raids on his old union are part of an old smear campaign.
The investigation dates back to when Bill Shorten was the union's chief.
Brendan O'Connor lashed out at the PM following raids on the Australian Workers' Union.
A 10-year-old photo has landed a staffer of Labor leader Bill Shorten in hot water.