The pending prosecution combines an autopsy ruling, police findings and family testimony while the accused mother maintains her not-guilty plea.
LAS VEGAS — The criminal case against Alivia Bree Thrift is moving toward a 2027 jury trial in which prosecutors will try to turn three different categories of evidence — medical findings, conditions inside a Henderson apartment and warnings from relatives — into proof that she murdered her 14-month-old daughter.
Thrift, 26, has pleaded not guilty to murder and child abuse, neglect or endangerment resulting in substantial bodily harm in the death of Evangelina Thrift, who died March 24. The Clark County medical examiner ruled that Evangelina died from starvation and classified the death as a homicide. Prosecutors say the toddler’s approximately 9-pound weight, severe malnutrition, dehydration and other physical changes demonstrate sustained deprivation of food. But the indictment remains an accusation, and the central question for a future jury will be whether the state can prove Thrift’s responsibility and the required criminal intent beyond a reasonable doubt.
The prosecution did not begin with that theory in final form. Accounts of a July hearing indicate authorities initially considered whether the death could have involved neglect, a lack of knowledge about a health problem or some combination of those circumstances. That changed after the autopsy. Deputy District Attorney Brianna Lamanna told the court that the medical findings showed the effects of prolonged starvation on Evangelina’s body. Once those findings were combined with the rest of the investigation, prosecutors presented the evidence to a Clark County grand jury, which returned the murder indictment.
The apartment evidence is likely to help prosecutors describe the environment surrounding the child’s care. Police said the Henderson residence was cluttered with trash bags, empty boxes and bottles and described its overall condition as unsanitary. Investigators found insects and reported dried vomit on a crib, bassinet and car seat. Evangelina had insect bites and sores. Medical examiner Nathan Shaller testified that some skin injuries appeared consistent with prolonged contact with substances such as bodily waste, vomit and spoiled milk. The evidence supports the neglect count, while prosecutors will seek to show how it also fits their wider homicide theory.
The medical evidence tells a different part of the story. Shaller told grand jurors that Evangelina’s organs showed severe malnourishment and dehydration. Reports of the testimony say she was born at about 5 pounds and gained only about 4 additional pounds over 14 months. At death, her weight was comparable to that of a much younger infant. The medical examiner also described changes to her tissues, bone marrow and heart that he attributed to a lengthy shortage of calories. Prosecutors say those changes establish that the fatal process occurred over time and could not reasonably be explained as a sudden emergency on the night she died.
Family testimony is intended to address knowledge — what Thrift allegedly understood about Evangelina’s condition before the fatal morning. Her half-sister, Robin Yager, told grand jurors that the girl regularly spit up formula and that she had urged Thrift to consider changing it and seeking medical care. Yager raised the possibility of a formula-related problem, though no milk allergy has been publicly confirmed. She said Thrift repeatedly resisted taking the girl to a doctor. The prosecution is expected to argue that such conversations undercut any contention that the toddler’s worsening health went unnoticed.
That testimony became more immediate on March 23 and 24. Yager said she tried to convince Thrift to take Evangelina to a hospital as concern about the child intensified. According to reported grand jury testimony, Thrift expressed fear that authorities could take the girl away because she was unusually small. Yager said she rejected that fear and continued urging her half-sister to obtain help. Later, after receiving urgent communications, she drove to Thrift’s apartment. Thrift allegedly would not let Yager enter but brought the child outside. Yager said Evangelina’s color and condition made her believe the girl was already dead.
The resulting 911 call brought first responders to the apartment at about 3:30 a.m. Police records said Evangelina was rigid by that point and that lifesaving measures were no longer useful. The investigation that followed documented the home and the child’s condition. Thrift was charged first with child abuse, neglect or endangerment. Murder came later, after the autopsy and grand jury process. That gap in time may become important at trial because it shows the homicide allegation was based on evidence developed after the initial police response rather than solely on officers’ impressions at the scene.
The public record also contains uncertainty that the defense could explore. Investigators apparently did not have a routine set of pediatric records documenting Evangelina’s growth or any diagnosed feeding disorder. The girl’s repeated vomiting, as described by Yager, raises a factual question about whether she had an untreated condition. Prosecutors say the absence of regular medical care is itself relevant and maintain that the autopsy established starvation despite the lack of a prior diagnosis. A jury will have to consider any competing medical evidence or testimony the defense chooses to present rather than assuming that an unanswered medical question favors either side.
Another issue is the difference between proving severe neglect and proving murder. The reported condition of the apartment and the child’s body may provide evidence that care was inadequate, but the homicide count requires prosecutors to satisfy the elements of that separate offense. The state has alleged the deprivation of food was intentional and prolonged. Thrift’s lawyers will be entitled to challenge the evidence supporting that assertion, cross-examine the medical examiner and family witnesses, contest the interpretation of the apartment conditions and offer evidence on Thrift’s state of mind. No defense theory has yet been fully aired at trial.
Thrift entered her not-guilty plea during a post-indictment arraignment in July. Published accounts said she acknowledged understanding what the charges meant but questioned why they applied in her case. She waived a speedy trial and remains held without bail. Those procedural decisions do not resolve the evidence. They establish the framework in which the competing accounts will eventually be heard, with pretrial litigation expected to determine what material can be presented and how expert and witness testimony will reach the jury.
Yager, meanwhile, has disputed public suggestions that she stood by while continuously watching her niece’s condition decline. In a statement reported after the case became public, she said she had not seen Evangelina between the child’s January birthday and the night of her death and said she would have acted had she known the full extent of the suffering. Her statement illustrates a broader limitation in the available public record: relatives’ testimony describes warnings, observations and conversations at particular moments, but it does not provide a day-by-day account of Evangelina’s care. Prosecutors will have to bridge those gaps with medical, physical and circumstantial evidence.
That is what makes the case likely to turn on accumulation rather than a single piece of proof. A 9-pound weight can establish the severity of the child’s physical condition but not by itself identify who caused it. An unsanitary apartment can support neglect allegations but does not alone establish a homicide. A relative’s warnings can bear on knowledge but may be disputed or interpreted differently. Prosecutors will ask jurors to consider those facts together and conclude they show a sustained course of criminal conduct. The defense will have the chance to argue that the evidence does not establish every required element beyond a reasonable doubt.
The next reported step is a trial readiness hearing scheduled for Oct. 22. The jury trial is scheduled for March 2027. Until then, Thrift remains in custody and is presumed innocent. The medical examiner’s homicide ruling answers the official question of how Evangelina died, but it does not decide the criminal case. That decision belongs to the court process now unfolding in Clark County, where evidence gathered from a predawn 911 call, an apartment search, an autopsy and grand jury testimony will eventually face adversarial testing before a jury.
Author note: Last updated September 9, 2026.