A Utah nurse has been found guilty of aggravated manslaughter in connection with the death of a friend she allegedly injected with insulin as part of a plot to secure a $1.5 million life insurance policy. The conviction of 48-year-old Meggan Sundwall was reached by a jury after ten hours of deliberation on March 25. The case revolved around the tragic death of Kacee Lyn Terry, 38, who passed away in August 2024.
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Prosecutors argued that Sundwall executed a scheme to kill Terry, believing she stood to gain financially from the life insurance payout. It was alleged that Sundwall administered insulin to Terry, which caused her to lose consciousness and ultimately led to her death several days later. The authorities were called to Terry’s residence on August 12, 2024, after she was found unconscious and struggling to breathe. When first responders arrived, Sundwall claimed that Terry had terminal cancer and had expressed a wish to avoid hospitalisation.

Subsequent investigations revealed that Terry did not have cancer or any severe underlying health issues. An autopsy indicated that her death was caused by an overdose of various substances, including promethazine and probable insulin. This finding contradicted Sundwall’s assertions regarding Terry’s health condition, raising serious questions about her motives.

It was revealed during the trial that Terry had a history of falsely affirming that she was terminally ill. She had reportedly deceived family members into believing she was suffering from cancer and had shared her fears of dying with Sundwall. Evidence presented in court indicated that Sundwall had been discussing plans for Terry’s demise for some time, and prosecutors accused her of believing that Terry’s death would benefit her financially.
Defence attorneys contended that Terry’s death was a suicide rather than a homicide. They argued that she had long claimed to be terminally ill and had even voiced a desire to end her life. The defence team maintained that there was insufficient evidence to prove that Sundwall had injected Terry with insulin after she became incapacitated.
In a poignant twist, the court acknowledged that both sides recognised Terry had misled people about her health. Prosecutors characterised these deceptions as cries for help, while the defence asserted they were indicative of manipulation. Conversations between Terry and her sister further illustrated her suspicions towards Sundwall, as Terry expressed concerns that her friend intended to harm her prior to moving out of Sundwall’s residence and into her grandparents’ home.
The jury was informed that they could consider lesser charges in addition to aggravated manslaughter. Notably, prosecutors highlighted a series of text messages exchanged between Sundwall and Terry. These messages included Sundwall allegedly encouraging Terry to relinquish her will to live, with statements such as, “there is nothing left for you here,” and “you have to let go, it is past time.”
Further allegations emerged regarding Sundwall’s financial stress, with messages suggesting she could be motivated by monetary gain. Allegedly, Sundwall remarked, “If you dying would get me out of this mess and darkness I am in, I would take it.” In a remarkable piece of evidence, prosecutors claimed that Sundwall even asked if Terry wanted to take promethazine before her home visit, to ensure she would be asleep during the event Sundwall planned.
On the fateful day, when authorities found Terry seemingly in a coma in her bedroom, Sundwall was alleged to have been monitoring her condition for hours. A glucose monitor showed a concerning decline in Terry’s blood sugar levels over the period of monitoring.
As the trial progressed, defence attorneys argued that Terry had been pleading for assistance from Sundwall and indicated she had the capability and intent to end her own life. They contended that the evidence did not support the notion that Sundwall had deliberately caused her death.
Following her conviction, Sundwall is facing a potential prison sentence of 15 years, with sentencing scheduled for May 4. Despite the serious charges and compelling evidence, Sundwall had maintained her innocence throughout the trial, pleading not guilty to the charges against her.
The verdict underscores the complexities surrounding the case, with strong emotions involved on both sides, as well as implications regarding mental health and the significance of personal relationships. The tragedy of Kacee Lyn Terry’s death serves as a stark reminder of the potential consequences of deceit and the desperate measures that can sometimes emerge from profound distress.
