The long-dormant case of Robin Cornell and Lisa Story, a double murder that had haunted the small Florida community of Cape Coral for over a quarter of a century, has finally been cracked, leading to a conviction that was as đđ˝đ¸đ¸đđžđđ as it was overdue. The verdict, delivered in a tense courtroom on May 8, 2023, came exactly 33 years after the horrific night of May 9, 1990, when an 11-year-old girl and her 32-year-old babysitter were brutally killed in their home. The man responsible, Joseph Zieler, now 54, was found guilty on all counts, bringing a measure of closure to a case that had grown cold for decades, only to be revived by a bizarre twist of fate involving an air rifle and a routine DNA sample.
The story begins on a seemingly ordinary evening in May 1990. Jan Cornell, a single mother working at a local hospital, had moved to Cape Coral with her younger daughter, Robin, just a year prior. The pair had settled into a cozy two-story townhouse, and Jan had recently welcomed her best friend, Lisa Story, as a roommate to help with expenses.
On the night of May 9, Jan planned to visit her boyfriend, Donald, to watch a game. She felt uneasy leaving Robin with Lisa for the entire evening, but Lisa, who had quickly bonded with the spirited 11-year-old, insisted it was no trouble. Jan left around 8 p.
m. , promising to return in a few hours. She fell asleep at Donaldâs house and woke up around 3 a.
m. , driving home to prepare for an early hospital shift.
What Jan encountered when she arrived at her home at 4 a. m. was a scene straight out of a nightmare.
The front door was locked with both locks, which was unusual because she only had a key for the top lock. She heard footsteps inside, but no one came to the door. Growing increasingly worried, she went around to the back of the house and found the sliding glass door slightly ajar.
The house was dark and silent. When she entered, she saw family photos of Robin and her older daughter neatly arranged on an ironing board in the kitchen, a detail that struck her as deeply strange. The living room was in disarray, with items scattered and broken.
Jan rushed upstairs to Robinâs room and found her daughter lying face down on the floor beside her bed, covered in bruises, with her clothing partially pulled down. Her body was cold. Jan called an ambulance in a state of shock, but it was too late.
Police arrived to find Robin dead and, in another room, the body of Lisa Story on the bed, also bearing visible bruises.
The investigation that followed was a painstaking effort that would span decades. Detectives quickly identified several clues at the scene. Cigarette butts that did not belong to either victim were found in the house.
On the nightstand in Janâs bedroom, police discovered a set of car keys for a Toyota, which could fit a wide range of models from the 1980s. The killer had apparently taken a shower after the murders to wash off the blood, leaving his socks in the bedroom. Several items were missing from the house, including Lisaâs driverâs license, credit cards, a checkbook, and a watch she had planned to give to her boyfriend, which bore an engraved message of love.
The selection of stolen items seemed odd to investigators; the watch was not particularly valuable, and the personal engraving would make it traceable. The photos of Robin laid out on the ironing board were seen as a potential message from the perpetrator, either for Jan or for the police.
Forensic experts determined that the perpetrator had entered the house through a bedroom window on the first floor by cutting part of the protective screen. They found biological material on Robinâs bed sheets and on her body, which was sent to the lab for DNA analysis, a technology that was still in its infancy at the time. Medical examiners determined that both victims had died from asphyxiation, inflicted with pillows after being struck multiple times.
They had also been sexually assaulted. A male hair was found on Lisaâs body. While waiting for DNA results, police began searching for suspects.
Jan reported that for three nights before the murder, she had been woken by strange noises, including the creaking of a gate and the sound of someone opening the sliding back door. On the morning of May 9, she saw a man standing outside her window, who smiled and then disappeared. She did not call the police, thinking he might be a neighbor.
Detectives canvassed the neighborhood, interviewing all male residents and requesting DNA samples. They identified 19 potential suspects, later narrowed to 10, but none matched the DNA profile that was eventually extracted from the crime scene. The DNA samples from Robinâs body, her bed sheet, and a pillow all matched the same unknown male profile, but there was no match in the FBI database.
Some neighbors refused to provide DNA samples, and one man who had been seen peeping into windows moved to Missouri shortly after the murders. Police investigated him but could not link him to the crime. A resident reported seeing an unfamiliar car driving slowly through the complex the day before the murders, with a man in a red cap behind the wheel, but the lead went nowhere.
The case stalled for years, with Jan making public appeals for information and the police revisiting the evidence periodically.
In 2005, 15 years after the murders, the case was reopened with funding for a single detective to work on it for six months, but no new leads emerged. The case remained cold until August 2016, when a seemingly unrelated incident changed everything. Police in a neighboring town, just six miles from Janâs complex, arrested a 54-year-old man named Joseph Zieler for attacking his adult son with an air rifle.
Although the son was not seriously injured, Florida law required Zieler to provide a DNA sample for the state database. Once his profile was entered, it triggered a match with the three semen samples from the 1990 murder scene. Investigators immediately obtained a direct DNA sample from Zieler, who was already in custody, and the lab confirmed a perfect match.
Zieler, who was 28 at the time of the murders, had a minor criminal record, mostly for selling stolen items and carrying an illegal firearm. He had been arrested just two months after the murders for those offenses, but DNA sampling was not required for such crimes at the time. He had never been a suspect in the case and lived in a neighboring town, completely off the police radar.
Zieler was arrested and charged with the murders. The prosecution announced its intention to seek the death penalty. Zieler denied his guilt and was held in jail awaiting trial.
The preparation for the trial took several years, and it finally began on May 8, 2023, almost exactly 33 years after the murders. The prosecutionâs case was built on the three DNA samples, which they argued left no doubt about Zielerâs guilt. The prosecutor described the murders as deliberate and methodical, noting that Zieler had plenty of time to change his mind but instead killed both victims, assaulted them, stole items, laid out the photos, and even took a shower.
He showed no remorse, maintaining his innocence for nearly seven years after his arrest. Zielerâs lawyer could not present significant evidence to contest the DNA match, instead arguing that Zieler had no motive and that someone else must have committed the crime.
When Zieler took the stand, his behavior was nothing short of theatrical. He repeatedly screamed at the jurors, the prosecutor, and even his own lawyers, hurling insults and making obscene gestures. When asked how his DNA ended up on Robinâs bed sheet and pillow, he claimed he had slept with her mother, Jan, a few months before the incident.
He called Jan a pig for not washing her bedding. Jan, who was in the courtroom, stated she had never seen Zieler before his arrest and had never brought him into her home. The prosecution called an expert who testified that the semen traces were fresh, with documented evidence to support the claim.
If they had been on the fabric for months, it would have been obvious during the initial examination. One of the samples was found inside Robinâs body, directly contradicting Zielerâs version. In response, Zieler hurled more insults at Jan, ignoring his lawyerâs pleas to behave.
The jury took only five hours to deliver a guilty verdict on all counts.
During the sentencing phase, Zielerâs lawyers tried to convince the court to drop the death penalty, citing his difficult childhood with a strict father and alleged mental disorders. They also claimed he had lost his memory in a 1998 motorcycle accident. However, experts who had assessed Zieler over an extended period found no evidence to support these claims.
They concluded he was fully aware of his actions, capable of planning them, and eligible for the death penalty. In late June 2023, Zieler was brought into the courtroom for sentencing. As he walked to his seat, he beckoned his lawyer over and leaned in to say something, but instead unexpectedly elbowed his own defense attorney in the head.
Security restrained him, but the lawyer chose not to press charges and continued to defend him. Despite this dramatic turn, the judge imposed the death penalty. Zieler was taken to prison, where he remains on death row.
Jan Cornell and Lisa Storyâs relatives expressed gratitude to everyone involved in bringing the case to closure. Despite Zieler never admitting guilt, his involvement in the murders left no doubt, and both families finally achieved justice. In a further twist, in February 2024, police arrested Zielerâs 32-year-old son for possessing illegal materials involving minors.
He now faces potential prison time, possibly in the same facility where his father awaits execution. The case, which began with a motherâs simple request for a friend to watch her daughter for one evening, ended with a conviction that took over three decades to secure, a testament to the persistence of law enforcement and the power of modern forensic science. The unexpected twist of an air rifle incident leading to a DNA match that solved one of the most terrifying cases in Floridaâs history will be remembered as a remarkable chapter in criminal justice.
