Lincoln Lawyer book 9 · 2025
The Proving Ground
Mickey Haller moves into civil court to sue an artificial intelligence company on behalf of a family whose daughter was killed. The teenager who killed her had been talking to the company’s chatbot, and Haller sets out to prove that the program pushed him towards it.
Spoiler-free summary written for The Recurring Cast.
As an Amazon Associate I earn from qualifying purchases.
Book facts
- Author
- Michael Connelly
- Series
- Lincoln Lawyer, book 9 of 9
- Published
- 2025
- Setting
- Set in Los Angeles
- Characters charted
- 5
- Chart confidence
- Medium
Who is in The Proving Ground
5 recurring or key characters from Michael Connelly’s chart.
Lead 1
- Mickey HallerDefence lawyer who works from his LincolnCivil suit against an AI company
Major 1
- Jack McEvoyCrime reporterWorks with Haller on the AI case
Minor and cameo 3
- Lorna TaylorCase manager; Haller’s second ex-wife
- Cisco WojciechowskiHaller’s investigator
- Jennifer AronsonAssociate lawyer
Also featuring these characters
Other Michael Connelly books that share the most characters with The Proving Ground.
- The Law of Innocence2020 · Lincoln Lawyer · 4 shared charactersBuy on Amazon
- The Crossing2015 · Harry Bosch · 4 shared charactersBuy on Amazon
- The Gods of Guilt2013 · Lincoln Lawyer · 4 shared charactersBuy on Amazon
- The Fifth Witness2011 · Lincoln Lawyer · 4 shared charactersBuy on Amazon