What is foreshadowed in Chapter 16 regarding Stuart Feeley?

Feeley's desire to confront Whiting alone foreshadows that Feeley is also a part of the blackmailing scheme. Susan Carol foreshadows something bad happening when she questions why Jurgenson wants to meet with Chip so late and at such an out of the way hotel. Dean Wojenski answering the door foreshadows his involvement in the plot.