Thomas Stein Sentenced to Life in Cape Coral Murder of Kayla Rincon-Miller

A Life Sentence in a Cape Coral Killing

On July 10, 2026, a Lee County judge sentenced Thomas Roy Stein, 18, to life in prison with a review of the sentence permitted after 15 years, in the shooting death of 15-year-old Kayla Rincon-Miller in Cape Coral. The sentencing closed a chapter in a case that shook the Southwest Florida community and drew statewide attention to the violent robbery that ended a teenager's life.

A jury previously convicted Stein of first-degree felony murder with a firearm and three counts of attempted robbery. The felony-murder conviction reflected the jury's finding that Rincon-Miller was killed during the commission of an attempted robbery, a legal theory that under Florida law holds participants responsible for a death that occurs during certain felonies even without proof that the defendant intended to kill.

The life sentence, structured to allow a review after 15 years, reflects the specific requirements of Florida law for defendants who were juveniles at the time of their crimes. Stein was younger than 18 when Rincon-Miller was killed, and that fact shaped the sentence the judge was able to impose. The review provision does not guarantee release; it establishes a future point at which the sentence may be revisited.

The proceeding also resolved the attempted-robbery counts. Stein was separately sentenced to 15 years, with a 10-year minimum mandatory, on each of the three attempted-robbery counts. Those sentences were ordered to run consecutively to the murder sentence and to each other, meaning they are stacked rather than served at the same time.

The Night Kayla Rincon-Miller Was Killed

The killing occurred on March 17, 2024, when Rincon-Miller was walking with two friends after seeing a movie. The evening began as an ordinary outing for a group of teenagers in Cape Coral, a large planned city on Florida's Gulf Coast known for its canals and family neighborhoods.

According to the account presented at trial, a silver SUV approached the group with its high beams on before two men got out with guns and demanded their bags. The confrontation was sudden and violent, and it transformed a walk home into a deadly robbery attempt. Rincon-Miller was shot during the encounter and did not survive.

The senselessness of the attack, targeting teenagers returning from a movie, resonated across Cape Coral and Lee County. Rincon-Miller was 15 years old, and her death became a focal point for community grief and for questions about youth violence in the region. The case drew sustained local coverage from the moment of the shooting through the trial and sentencing.

Prosecutors built their case around the felony-murder theory, arguing that the shooting occurred during the attempted robbery of the group. That framing allowed the state to pursue a first-degree murder conviction without needing to prove that Stein personally intended for anyone to die, a hallmark of how felony-murder prosecutions proceed in Florida.

Understanding Florida's Felony-Murder Rule

Florida's felony-murder rule is central to understanding the conviction. Under the rule, a person can be found guilty of first-degree murder if a death occurs during the commission of certain enumerated felonies, including robbery, even if the defendant did not pull the trigger or did not intend for anyone to be killed. The law treats participation in the underlying dangerous felony as sufficient to support the most serious murder charge.

This doctrine means that all participants in a qualifying felony can face murder liability when a death results. In Rincon-Miller's case, the attempted robbery served as the predicate felony, and the resulting death exposed those involved to first-degree murder charges. The rule is one of the reasons Florida prosecutors can pursue severe penalties in robbery-related killings.

The felony-murder rule has long been a subject of legal debate. Supporters argue that it deters violent felonies by holding participants accountable for foreseeable deaths, while critics contend that it can impose the harshest penalties on defendants who did not intend to kill. Regardless of the debate, the rule remains firmly embedded in Florida law and was decisive in Stein's conviction.

Because felony murder in the first degree is treated with such gravity, the sentencing options are limited and severe. For adult defendants, first-degree murder can carry life imprisonment or, in capital cases, the death penalty. For defendants who were juveniles at the time, however, the sentencing framework is different, as it was here.

Why the Sentence Includes a 15-Year Review

The provision allowing a review of Stein's life sentence after 15 years stems from Florida law governing juvenile offenders, which developed in the wake of a line of United States Supreme Court decisions. In Miller v. Alabama and related rulings, the high court held that mandatory life without parole for juveniles violates constitutional protections against cruel and unusual punishment, prompting states to revise how they sentence young offenders.

In response, Florida enacted statutes requiring that juveniles sentenced to lengthy prison terms receive a meaningful opportunity for review after a set period. For a juvenile convicted of murder and sentenced to life, Florida law provides for a judicial review of the sentence after a specified number of years, giving the offender a chance to demonstrate maturity and rehabilitation. The 15-year review in Stein's case reflects this requirement.

It is important to understand what the review does and does not mean. The review is not automatic release and it is not parole in the traditional sense. Instead, it establishes a future hearing at which a court can consider whether the sentence should be modified based on factors that include the offender's conduct and growth while incarcerated. The outcome of any such review remains uncertain and years away.

Because Stein was a juvenile at the time of the killing, the judge was required to account for these principles in crafting the sentence. The result, life in prison with a review after 15 years, represents the intersection of Florida's severe response to first-degree felony murder and the constitutional limits that apply specifically to those who offend as minors.

Stacked Sentences for the Robbery Counts

Beyond the murder sentence, the three attempted-robbery convictions carried their own significant penalties. Stein received 15 years on each count, with a 10-year minimum mandatory tied to the use of a firearm. The minimum-mandatory component reflects Florida's firearm sentencing enhancements, which require judges to impose fixed prison terms when guns are used in certain felonies.

The judge ordered these sentences to run consecutively, both to the life sentence and to one another. Consecutive sentencing means the terms are served one after another rather than simultaneously, a structure that substantially increases the total time attached to Stein's convictions and underscores the seriousness with which the court treated each robbery count.

Florida's firearm enhancement laws, sometimes described under the framework commonly known as the state's mandatory firearm sentencing scheme, are designed to impose additional prison time when weapons are used in violent crimes. These enhancements apply on top of the underlying sentences and can add years of mandatory incarceration, as they did in Stein's case.

The combination of a life sentence for the murder and stacked minimum-mandatory terms for the robberies illustrates how Florida law layers penalties in cases involving firearms and multiple victims. Each of the three teenagers confronted that night formed the basis of a separate attempted-robbery count, and each count carried its own consecutive term.

The Trial, the Accomplice, and the Sentencing Hearing

Stein was denied a motion for a new trial weeks before sentencing, according to court proceedings. Such motions are common after a conviction, allowing the defense to argue that legal errors or other problems warrant setting aside the verdict. The denial cleared the way for the sentencing hearing to proceed.

His accomplice, Christopher Horne Jr., previously accepted a plea and was sentenced to 25 years, a resolution that stands in contrast to the life sentence imposed on Stein after his conviction at trial. The divergent outcomes reflect the different paths the two defendants took through the justice system, with one accepting responsibility through a plea and the other contesting the charges before a jury.

At sentencing, Stein testified that his plan that night had only been to steal from cars, according to his statement in court. The account was offered as part of the defense presentation before the sentence was handed down, though it did not change the felony-murder conviction the jury had already returned. The judge proceeded to impose the life sentence with the 15-year review.

Court TV reported that the judge denied Stein's request for a hug before the sentence was handed down. The detail, drawn from the televised coverage of the hearing, added a stark human moment to a proceeding centered on the loss of a 15-year-old girl and the accountability of the teenager convicted in her death.

What's Next

With the sentence imposed, Stein's case moves into the post-conviction phase. Florida defendants convicted of first-degree murder have the right to appeal, and appellate review typically examines whether legal errors occurred during the trial or sentencing. Any appeal would proceed through Florida's appellate courts and could take a significant amount of time to resolve.

The 15-year review provision means that a future court will eventually revisit the life sentence, though that hearing lies well in the future and carries no guarantee of any change. Until then, Stein will serve his sentence, with the consecutive robbery terms adding to the time attached to his convictions. The structure of the sentence ensures that any reconsideration will occur only after a substantial period of incarceration.

For Cape Coral and Lee County, the sentencing offers a measure of resolution in a case that has weighed on the community since March 2024. The death of Kayla Rincon-Miller became a symbol of the danger that violent robbery poses and of the toll it takes on families and neighborhoods across Southwest Florida.

The case also stands as a prominent example of how Florida's felony-murder rule and its juvenile-sentencing framework operate together. It shows both the severity of the state's response to killings committed during felonies and the constitutional safeguards that apply when the person convicted was a minor at the time of the crime. Those principles will continue to shape how similar cases are handled in Florida's courts.