Thus far Britz, Luckstone and Coroner Hart had occupied the center of the stage.

To them had fallen all the speaking parts.

The others had played silent roles, but now one of them was suddenly called to participate actively in the drama.

He failed to respond.
Beard, far from embracing the opportunity to enlighten the coroner, clung all the more desperately to silence.

And in this attitude he was encouraged by a nod from Luckstone.
"Beard, you have nothing to hide," urged Britz.