Pamela Zimmerman, 53, a White woman, was a well-known CPA and financial planner in Bloomington, Illinois whose ordinary Monday on November 3, 2014 ended in violence. She worked late in her office in a medical/office complex known locally as Doctors Park. The next morning, November 4, around 7:30 a.m., her secretary, Ina Hess, arrived to find Zimmerman dead inside the suite—shot multiple times, including once in the head. Investigators did not see obvious signs of a robbery. Her wallet and cell phone turned up a few streets away with cash and cards still inside, a discovery that sharpened the picture of a targeted killing rather than a burglary gone wrong.
Detectives began building a timeline around the previous evening. A client confirmed an appointment that ran until about 5:40 p.m., and a nearby therapist reported hearing three gunshots in quick succession around 5:30 p.m. that same night. GPS data later indicated Zimmerman's phone left the office at approximately 6:03 p.m. In the Doctors Park lot, a witness told police she had seen a man leaving the rear of Zimmerman's office tightly holding a black trash bag and putting it in a car trunk—a memory she later connected to a photo of a suspect she saw in the newspaper. Surveillance images captured a vehicle similar to the suspect's in the lot that evening, and a forensic test detected gunshot residue on the gearshift of that vehicle, details that prosecutors would eventually treat as planks in their case theory.
After months of interviews and forensic work, a McLean County grand jury indicted Zimmerman's ex-husband, Kirk Zimmerman, for first-degree murder in July 2015. Prosecutors alleged a financial dispute—particularly renewed pressure over child-related expenses and a recent letter threatening to return to court—supplied motive in the days before the shooting. At pretrial hearings and later in open court, they also pointed to the witness identification, the surveillance images, the gunshot residue finding, and a pattern of deleted text messages from the evening of November 3. The defense challenged those elements as circumstantial, unreliable, or innocently explained and pressed the absence of direct forensic links to the homicide.
The case finally went to trial in spring 2019. After roughly five weeks of testimony from about 60 witnesses and less than a day of deliberations, a McLean County jury on May 6, 2019 found Kirk Zimmerman not guilty of killing his ex-wife. With that acquittal, there have been no convictions in the death of Pamela Zimmerman, and local coverage has continued to describe the case as unresolved.