Dateline Friday: “The Trouble with Sarah” January 16 2026

Dateline NBC continues its deep dive into the most gripping true crime cases with a new episode airing Friday, January 16, 2026, at 9/8c, titled “The Trouble with Sarah.” Keith Morrison reports on the story of Sarah Hartsfield, a Texas woman now serving a life sentence for the murder of her fifth husband, Joseph Hartsfield. This episode unravels not only the death that led to her conviction, but a disturbing trail of past violence and death that followed Sarah for decades.

A Sudden Tragedy in Chambers County

The case began on January 7, 2023, when Joseph Hartsfield was rushed to a hospital in the Houston area after becoming unresponsive at his home in Beach City, Texas. Hospital staff diagnosed him with severe hypoglycemia—dangerously low blood sugar—and despite emergency treatment, he died days later. What seemed at first like a medical emergency soon raised red flags, particularly due to Joseph’s history as a diabetic and inconsistencies in Sarah’s account of events.

Investigators later discovered that Joseph’s insulin levels were suspiciously high and that Sarah had waited before calling for help. That detail, along with unusual phone data and deleted messages from Sarah’s devices, led to a murder charge just weeks later. A Chambers County jury ultimately found Sarah guilty of first-degree murder, sentencing her to life in prison with a $10,000 fine in October 2025.

A Troubling Past Resurfaces

Sarah’s trial wasn’t just about Joseph. Much of the courtroom testimony delved into her violent history, which prosecutors used to paint a picture of a woman with a pattern of suspicious behavior in past relationships. In 2018, Sarah fatally shot her fiancé David Bragg in Minnesota. Although initially deemed self-defense, that case has since been reopened. She was also previously investigated for allegedly plotting to have a romantic rival killed and for suspicious circumstances surrounding a house fire involving her family.

Testimony from FBI agents, detectives, and former partners revealed a disturbing pattern of abuse, manipulation, and allegations of violence stretching back nearly three decades. A past husband even recalled being assaulted by Sarah in the 1990s.

Joseph’s Fears Come True

Joseph’s family spoke openly during the trial about his growing fears in the months before his death. He reportedly told his sister Jeannie Hartsfield that he was afraid Sarah would kill him if he left her. Days before his hospitalization, he shared sensitive information—bank account details, ID photos, and phone passwords—via text. Prosecutors argued that this was likely done under Sarah’s control or even sent by her using Joseph’s phone.

Digital forensics played a significant role in the case. Investigators noted that Sarah had claimed she was asleep and on pain medication the morning Joseph collapsed. However, data revealed she was active on her phone almost every hour, deleting messages and performing searches that later disappeared from her history. One deleted video message reportedly showed Joseph “gasping”—sent well before 911 was called.

The Aftermath and Appeal

Now incarcerated at a Texas Department of Criminal Justice facility in Gatesville, Sarah has filed a notice of appeal. Her defense team and a court-appointed investigator also filed motions to withdraw, citing potential conflicts of interest as Sarah seeks new legal representation. At this point, it remains unclear whether her appeal will move forward or result in a retrial.

Meanwhile, the families of her past partners continue to ask questions. With the 2018 shooting under renewed investigation, and a growing archive of suspicious incidents connected to her name, the full extent of Sarah Hartsfield’s actions may still be unraveling.

Don’t miss Dateline’s full report on “The Trouble with Sarah,” airing Friday night on NBC at 9/8c, and streaming the next day on Peacock. Keith Morrison takes viewers inside the twisted history of a woman who left a trail of tragedy, heartbreak, and suspicion across multiple states and marriages.