Reason.
So that they can be aggressive in their questioning. The aim is to tear the victim to pieces. They chose an attorney from Joe Arpaio's district. No surprise.
They will fight the victim's wish to have her own attorney beside her to offer protection against legal traps.
So they are hoping to destroy Ford, then vote as soon as possible afterwards.
Tactics are cynical and obvious. McConnell is operating the levers. He knows the nomination is on a knife-edge.