‘So insanely evil’: Woman researched ‘poisoning deaths in children’ for months before allegedly giving boyfriend’s 1-year-old fatal dose of acetone

Aleisia Owens (New Castle Police Department) and Iris Alfera (WTAE screenshot)

Aleisia Owens (New Castle Police Department) and Iris Alfera (WTAE screenshot)

A 20-year-old woman in Pennsylvania has been arrested for allegedly killing her boyfriend’s 1-year-old daughter, conducting “meticulous” research on how to kill the toddler with household items before ultimately giving her a fatal dose of acetone.

Aleisia Owens was taken into custody on Thursday and charged with criminal homicide in the slaying of young Iris Alfera, authorities announced.

Owens was also charged with attempted criminal homicide, aggravated assault of a child, and endangering the welfare of a child for alleged “acts of abuse” in the months leading up to Iris’ death, which included feeding the infant “numerous water beads” and “button-shaped batteries,” the Pennsylvania Attorney General’s Office said in a news release.

“The details of this case are heartbreaking. It is hard to fathom someone taking deliberate steps to harm a completely helpless child, then mislead investigators about what happened,” Attorney General Michelle Henry said in a statement. “The investigation shows that, for months, the defendant conducted meticulous research on how certain substances harm children. She then allegedly acted on her findings.”

According to the release, emergency medical personnel on June 25, 2023, responded to a residence in New Castle, Pennsylvania, in regards to an unresponsive 1-year-old girl. Upon arriving at the scene, first responders found Iris unconscious and not breathing. The child was immediately transported to the University of Pittsburgh Medical Center (UPMC) Jameson Hospital for treatment. Due to the severity of her condition, she was later airlifted to UPMC Children’s Hospital. Unfortunately, the child succumbed to her injuries and was pronounced dead on June 29.

An autopsy performed on June 30 determined that the victim’s cause of death was “acetone poisoning” resulting in organ failure. Medical experts who examined the baby’s body concluded that she had been exposed to acetone “just before her hospitalization,” the DA said.

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