Man arrested after 3 family members, including pregnant teen, found dead and bound with zip ties

An Alabama man has been charged with eight counts of capital murder more than a week after a mother and her two children were found dead in their home.

The Mobile County Sheriff’s Office said Tuesday that 54-year-old William Graham Oliver was arrested in connection to the deaths of 46-year-old Lisa Fields and her two children: 17-year-old Keziah Luker, who was pregnant, and 12-year-old Thomas Cordelle Jr.

Oliver is charged with one count of capital murder of two or more persons, four counts of capital murder during a burglary, two counts of capital murder of a child younger than 14 years old and one count of capital murder in the presence of a child.

“Anytime there are children involved, it makes it a little tougher and especially an unborn child,” Mobile County Sheriff Paul Burch said.

William Graham Oliver, 54, is charged with eight counts of capital murder in connection to the deaths of a mother and her two children.(Mobile County Metro Jail)

The three victims were found dead April 20, each in a different room of their Wilmer home. All of them had their hands bound behind them with zip ties or flex cuffs, according to Burch.

Burch says Fields’ throat was cut, and she was stabbed. He says Luker was shot, and her brother’s throat was cut. Luker’s 1-year-old daughter was found unharmed in the home.

The sheriff says Oliver had known the family for quite some time and was inside their home looking for something on the night of April 19.

“He was at the home, 7:30-ish Sunday night. Very, very tight timeline. Very solid circumstantial evidence at this point, and we feel confident that we have the right man,” Burch said.

Lisa Fields, 46, and her two children – 17-year-old Keziah Luker, who was pregnant, and 12-year-old Thomas Cordelle Jr. – were found dead April 20 in their home.(Courtesy family)

He says investigators know what Oliver was looking for and his motive, but he doesn’t want to get into that at this time.

Oliver has a criminal history, but Burch says this is the first time charges against him are violent. The sheriff says this goes to show you never truly know what someone is capable of.

Jail records show Oliver was charged with first-degree theft of property in 2020, with other arrests dating back to 1990.

Remembering the victims

As family, friends and community members prepare to attend the three victims’ funerals on Wednesday, online obituaries paint a picture of who they were.

Fields was described as “an angel walking among us” and “the most giving, loving person who dedicated her life to her children.”

“She was the best part of so many people’s lives. We are lucky to have known her,” her obituary read.

Luker was described as someone who was outgoing and spontaneous, always had a word of love and wanted to be a nurse. A close family friend says she was excited to welcome her second baby girl.

“Her legacy is a legacy of love, loyalty, perseverance, and happiness,” her obituary read.

Cordelle was described as “a pure soul” who loved games, music and math. He was in the fifth grade and “couldn’t wait” to get out of elementary school.

The legal framework surrounding the indictment of William Graham Oliver has taken an ominous turn with the revelation of a specific, separate line in the charging documents. While the public focus has remained on the tragic events in Wilmer involving Lisa Gail Fields, her children, and the unborn infant, the inclusion of a distinct reference to a different group of unnamed victims suggests that the scope of the investigation extends far beyond a single residence. Law enforcement officials have noted that the eight counts of capital murder are mathematically derived from the specific circumstances of the April deaths, yet this additional legal language implies that Oliver’s alleged criminal history may contain hidden chapters that the state is only now beginning to formalize.

Hypothetically, the inclusion of “unnamed victims” in a capital indictment often serves as a legal placeholder or a “sentence enhancer” that allows prosecutors to introduce evidence of prior bad acts or a pattern of behavior during the trial’s penalty phase. If William Graham Oliver is linked to previous unsolved cases or unreported acts of violence, this single line in the indictment acts as a gateway for the jury to consider his broader threat to society. One might speculate that during the intense forty-eight-hour investigation following the Wilmer tragedy, detectives uncovered forensic or digital evidence connecting Oliver to other incidents that had previously gone cold. This would explain why the Sheriff’s Office is pursuing the death penalty with such specific administrative rigor, as a demonstrated pattern of targeting multiple groups of victims significantly strengthens the state’s argument for the ultimate punishment.

The nature of these unnamed victims remains a subject of intense investigative scrutiny and public curiosity. Within a hypothetical context, these individuals could represent past associates, witnesses to previous crimes, or even victims of financial fraud who were silenced before they could come forward. Given that Oliver was already found in the phone contacts of the Fields family, investigators may be cross-referencing his digital footprint against other missing persons reports or unsolved assault cases in the Alabama and Texas regions. If the “one line” in the indictment refers to a group rather than an individual, it suggests a predatory consistency in Oliver’s methods, indicating that his presence in the Wilmer home was not an isolated breakdown in character but the climax of a much larger, darker trajectory.

From a prosecutorial standpoint, keeping these victims unnamed in the initial public filing serves several strategic purposes. It protects the privacy and safety of potential survivors while preventing the defense from prematurely attacking the credibility of witnesses before the trial begins. Speculative theories suggest that this “different group” might be tied to the 2018 legal and financial disputes previously associated with the Fields family’s history. If Oliver’s alleged motive was rooted in a multi-year quest for a specific valuation or asset, it is possible that other parties who stood in his way during that period also met with “accidents” or unexplained disappearances that are now being re-evaluated through the lens of the Wilmer homicides.

Furthermore, the “eight charges” facing Oliver reflect the absolute maximum weight of the law, but the “separate line” is what truly defines the gravity of the state’s case. In the realm of legal theory, this suggests that the prosecution is building a narrative of a “serial” offender rather than a “spree” killer. While a spree killer acts in a single burst of violence, a serial offender returns to their motives over time. By referencing unnamed victims, the state is signaling that the tragedy in Wilmer was a manifestation of a long-standing intent to cause harm to specific groups. The survival of the toddler in the Wilmer home becomes even more significant in this light; if Oliver spared the child but has a history of targeting others, the “unnamed” victims in the indictment may provide the contrast needed to understand his specific, twisted logic of who lives and who dies.

As William Graham Oliver awaits his day in court, the mystery of that single line in the indictment continues to cast a long shadow over the proceedings. The community of Wilmer and the surviving members of the Fields family are left to wonder if the justice being sought will cover more than just their own devastating loss. The investigation remains a high-stakes puzzle where every piece of digital evidence and every name in a contact list could potentially lead to another group of victims seeking their own resolution. Ultimately, the transition from eight charges to a broader indictment of character marks the beginning of a complex legal battle that will likely redefine the understanding of safety and trust within the region.