I think they want to bring him in in order to grill him on these allegations and to say, hey, look, you know, we are on the case in this and to signal to their audience of one.

我认他们想把他叫来，了针对这些指控对他加盘问，说“嘿，你看，我们理这件事”，以此向他们的目标受众发出信号。