Chapter 32: Agreed Evidence – Presumed Guilty Summary & Analysis

⚠️ Spoiler Warning: This guide contains detailed spoilers for the entire novel. Proceed only if you've finished reading or are comfortable knowing the plot.

Summary

Rusty and Jackdorp agree to a stipulation that admits several facts without live testimony: Aaron’s fingerprints and DNA on Mae’s belongings, the purchase of white nylon rope, fiber evidence on Mae’s remains and in Aaron’s closet, phone and tollbooth records, and screenshots from Mae’s social media. After the stip is read, Jackdorp calls Lieutenant Vanda Glowoski as a “law enforcement expert.” Jackdorp uses her to narrate the physical and digital evidence. Glowoski testifies about finding rope fibers, shoe impressions in Harold’s Woods, the tollbooth photo of Mae’s SUV, and the absence of Aaron’s Nike sneakers, backpack, and sleeping bag—concluding that Aaron destroyed those items after the murder. Rusty cross‑examines aggressively, focusing on the contradiction between the tollbooth photo (SUV heading north at 11:48 a.m.) and the cell‑tower data showing Aaron’s phone pinging towers fifty miles south just minutes later. Rusty forces Glowoski to admit that the cell‑tower evidence proves nothing concrete about Aaron’s location. Yet near the end, he senses he may have walked into a trap.

Key Events

Character Development

• Rusty Sabich: Shows seasoned trial instincts—negotiating a stipulation to control which facts are contested, then pivoting on cross‑examination to reframe the narrative. His internal alarm at the end reveals both arrogance and vulnerability; he knows he may have overreached.
• Tommy Jackdorp: Maintains a poker face through the stipulation negotiations, but his careful staging of the rope video and the missing‑items testimony demonstrates a prosecutor who understands jury psychology. His decision to end the week on Glowoski’s direct is a tactical move to let doubt fester.
• Vanda Glowoski: Initially appears as a damaged witness after the Brady‑violation scolding, but her performance on direct is crisp and effective. On cross, she refuses to be cornered, calmly offering a plausible alternative (the tollbooth photo doesn’t prove Aaron was driving). Her eventual shrug—“Pretty much”—suggests she is either a poor expert or deliberately baiting Rusty.
• Judge Carrington: Overrules Rusty’s objections about expert speculation, but does so with a warning, showing she tolerates some grandstanding but expects counsel to move on.

Themes, Symbols, or Motifs

• The malleability of “expert” testimony: Jackdorp cloaks Glowoski’s inferences as expert opinions; Rusty’s cross reveals how easily a confident narrative can be shaken when the foundation lacks scientific rigor (e.g., the drive‑test absence).
• Stipulation as a double‑edged sword: Rusty uses it to speed the trial and avoid losing points, but the rope‑store video and fiber evidence still land with force because they are visually compelling.
• Missing evidence as rhetorical weapon: The prosecution leverages what isn’t found—Nikes, backpack, sleeping bag—to imply guilt, a tactic that works even though Rusty knows the real story (which he cannot share).
• The south‑north contradiction: The cell‑tower vs. tollbooth discrepancy becomes a central motif, symbolizing a chasm between the prosecution’s theory and the raw data.

Why This Chapter Matters

Chapter 32 is the prosecution’s strongest evidentiary push so far. The stipulation locks in foundational facts, and Jackdorp uses Glowoski to paint a damning picture of Aaron as a man who bought a murder‑weapon, left fibers at the scene, and destroyed his gear afterward. Rusty’s cross‑examination rescues some ground by exposing the timeline contradiction, but the chapter ends on a note of unease: Rusty suspects he has been drawn into a trap, setting up a major reversal later in the trial. The chapter also deepens the thematic tension between what evidence “proves” and how a skilled lawyer can spin it.

Study Questions & Answers

1. Why does Rusty agree to stipulate so many facts, even ones that implicate Aaron? Rusty stipulates because (a) he cannot realistically contest the DNA, fiber, and rope‑purchase evidence, (b) he wants to appear cooperative with the court, and (c) a stipulation prevents the prosecution from calling witnesses who could make the evidence even more vivid. It also lets him focus his energy on the one major contradiction—the timing of the tollbooth photo vs. cell‑tower pings.

2. How does Jackdorp use Glowoski’s testimony to create a narrative even when the underlying data is ambiguous? Jackdorp asks Glowoski to offer “expert law enforcement opinions” that interpret the evidence: the missing items mean Aaron destroyed evidence, the rope in the garage means he hid it, the cell‑tower records are inconclusive. By framing these as expert conclusions, he influences the jury’s perception without needing direct factual proof. Rusty’s objection to this as “rank speculation” is overruled, highlighting the liberal rules for expert testimony.

3. What is the “trap” Rusty fears he has stepped into, and why is it a realistic concern? Rusty realizes that Glowoski’s serene demeanor during his cross suggests she expected his attack on the cell‑tower contradiction. If Jackdorp has a rebuttal witness (e.g., a true cell‑tower expert) ready to testify that the long‑range connection is actually possible, Rusty’s victory on cross will be reversed. More subtly, by focusing so heavily on the timing gap, Rusty may have inadvertently validated the prosecution’s underlying timeline—if the jury later buys the expert explanation, they will reject his entire defense.

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