The Alyssa Bustamante case involves a Missouri teenager who, at fifteen, killed nine-year-old neighbor Elizabeth Olten in October 2009, pleaded guilty in 2012 to second-degree murder and armed criminal action, and is now serving a life sentence plus 30 years at Chillicothe Correctional Center. The Missouri Board of Probation and Parole denied her first parole request in early 2024.
What Happened in October 2009
On October 21, 2009, Elizabeth Olten disappeared while walking home from a friend’s house in St. Martins, Missouri. She was nine years old. Two days later, investigators were led to a shallow grave in a densely timbered area near Bustamante’s home.
Forensic work at the scene showed the grave had been dug in advance. The attack happened shortly after Olten went missing, and the concealment of the remains was deliberate and planned. That physical evidence turned a missing-person search into a homicide investigation and alarmed families in the rural subdivision where both girls lived.
The Diary Entries
Prosecutors built their case around handwritten journal entries recovered from Bustamante’s bedroom. One entry described the experience as “ah-mazing” and said the thrill was better than she had imagined while planning it. She wrote that she wanted to repeat the sensation as soon as possible.
The writings showed no remorse and focused on sensory detail. Experts who reviewed them suggested the motive was curiosity about what it felt like to take a life. Those pages became the foundation for the state’s argument that the killing was premeditated rather than impulsive.
Why the Charge Was Reduced
Bustamante was originally charged with first-degree murder. She eventually pleaded guilty to a reduced charge of second-degree murder along with armed criminal action.1Missouri Revisor of Statutes. Missouri Revised Statutes § 565.021
The plea reflected evolving legal standards on sentencing minors. The U.S. Supreme Court has held that mandatory life sentences without the possibility of parole for juvenile offenders violate the Eighth Amendment.2Cornell Law School. Miller v. Alabama Accepting the plea let prosecutors secure a conviction while acknowledging those limits, and it gave Bustamante a sentence that leaves open the possibility of future release.
The 2012 Sentence
At the 2012 sentencing hearing, the judge imposed a life sentence for second-degree murder and a separate 30-year sentence for armed criminal action. The two sentences run consecutively, so the 30-year term does not begin until the life term is complete.3Missouri Revisor of Statutes. Missouri Revised Statutes § 558.026
Missouri uses a specific calculation for parole eligibility on a life sentence. For the purpose of a minimum term, a life sentence is treated as 30 years.4Missouri Revisor of Statutes. Missouri Revised Statutes § 558.019
Where She Is Now and Her Parole Status
Bustamante is incarcerated at Chillicothe Correctional Center, a maximum-security facility for women. Under Missouri law, offenders convicted of certain dangerous felonies must complete a minimum share of their term before a parole hearing. For a life sentence measured against the 30-year standard, that generally means serving 85% of the calculated term before eligibility.4Missouri Revisor of Statutes. Missouri Revised Statutes § 558.019
In early 2024, the Missouri Board of Probation and Parole reviewed her case and denied release. The board cited the gravity of the offense and potential risk to public safety. She will remain in custody for several more years before she can apply again, and any future decision will turn on her conduct in prison and the board’s public-safety assessment.