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Two teens arrested and charged as adults in high school murder plot

Post: Florida Teens Charged as Adults in School Murder Plot

Florida teens charged as adults for attempted premeditated murder are at the center of a disturbing case out of Seminole County. Isabelle Valdez, 15, and Lois Lippert, 14, were arrested in January 2026. Police say they plotted to kill a fellow student at Lake Brantley High School in Altamonte Springs. Both are now being held without bond and face the full weight of the adult criminal justice system.

What Happened at Lake Brantley High School

Florida Teens Charged as Adults

According to investigators from the Altamonte Springs Police Department, an anonymous tip submitted through the Fortify Florida tip line on January 22, 2026, warned that Valdez planned to kill another student the following day. School security removed Valdez from her classroom on the morning of January 23. Lippert was also taken into custody.

Investigators say Valdez orchestrated the plot, including stalking the intended victim and writing a letter to the victim’s parents. Prosecutors say Valdez and Lippert were obsessed with the 2012 Sandy Hook shooter and planned to kill a fellow student who they believed resembled him — reportedly with the intent to use the victim’s blood in a ritual. Lippert allegedly gathered materials to assist in carrying out the plan.

Both girls were arrested and placed in the back of a patrol car. A body camera video later released by police showed the two speaking to each other during the ride, laughing and appearing unconcerned. In the footage, Valdez was heard saying, “I don’t feel guilty for my actions.” Prosecutors played the video during the March 11 bond hearing. The judge denied bond for both defendants. Their next court date is set for April 29.

When Are Florida Teens Charged as Adults?

In Florida, prosecutors can charge teens as adults for serious felonies like attempted murder without a judge’s approval, using a process called direct filing.

Under Florida law, a juvenile can be prosecuted as an adult through several legal pathways. Prosecutors can directly file charges in adult court without a judge’s approval — a process unique to Florida that gives the State Attorney’s Office broad discretion in serious cases. Once a juvenile has been tried as an adult in Florida, they are treated as an adult in future court proceedings. Florida teens charged as adults under direct-file lose access to juvenile court protections immediately.

Valdez and Lippert had their first appearance in adult court on February 4, 2026. A judge ordered the case transferred to the adult division, where both now face the same charges and potential penalties as any adult defendant accused of the same crime.

What Are the Potential Penalties for Florida Teens Charged as Adults?

Lake Brantley high schoolteenager charged in murder plot

Attempted first-degree premeditated murder is a first-degree felony in Florida, punishable by up to life in prison. Because both defendants are minors being tried as adults, sentencing is subject to additional constitutional limits.

The U.S. Supreme Court’s decision in Miller v. Alabama (2012) prohibits mandatory life-without-parole sentences for juveniles. Courts must hold individualized sentencing hearings that consider the defendant’s age, background, and circumstances before imposing the harshest sentences. That protection applies here — but it does not prevent prosecutors from seeking lengthy terms of incarceration if the evidence supports it.

Defense attorneys in these cases work to present mitigating factors — mental health history, trauma, developmental immaturity — in hopes of reducing the sentence or challenging the decision to prosecute in adult court at all.

Why Defense Representation Matters Immediately

When Florida teens are charged as adults for a serious violent crime, the window to influence the case is short. The State Attorney’s Office can direct-file adult charges before a family has even had time to retain a lawyer. Once the case is in adult court, the defendant faces adult procedures, adult evidence rules, and adult sentencing ranges.

An experienced Orlando criminal defense attorney can challenge the direct-file decision, investigate the evidence before it is locked in, and begin building a defense strategy that accounts for the defendant’s age. In cases involving mental health concerns, a defense attorney can push for psychological evaluation and work to ensure that a teenager’s legal rights are protected throughout every stage of the process.

The Rivas Law Firm handles serious felony cases throughout Central Florida, including cases involving juveniles facing adult charges. If your family is dealing with a situation like this, call 407-644-2466 to speak with an Orlando criminal defense attorney today.

Frequently Asked Questions

Can a 14-year-old be charged as an adult in Florida?
Yes. Florida law allows prosecutors to direct-file adult charges against defendants as young as 14 for serious felonies, including attempted murder, without judicial approval. Florida teens charged as adults face the same penalties, procedures, and permanent record consequences as any adult defendant.

What is the difference between juvenile court and adult court in Florida?
Juvenile court focuses on rehabilitation and typically seals records when the minor turns 18. Adult court carries full criminal penalties, a permanent public record, and the same sentencing exposure as an adult defendant.

Can the decision to try a juvenile as an adult be challenged?
In direct-file cases, a defense attorney can file a motion to transfer the case back to juvenile court, though courts rarely grant them for serious violent felonies. The defense must present compelling reasons related to the minor’s background and amenability to rehabilitation.

What happens if a juvenile is convicted as an adult in Florida?
They can receive adult sentences, serve time in adult facilities (typically after reaching a certain age), and carry a permanent adult criminal record. Mandatory minimum sentences may apply, subject to constitutional limits for juveniles.

What should I do if my child is arrested for a serious crime in Florida?
Contact a criminal defense attorney immediately — before your child speaks to police. Early legal intervention can affect charging decisions, bond conditions, and the overall direction of the case.


Jose Rivas has litigated thousands of criminal cases and is a veteran bilingual TV Legal Analyst who has appeared on Univision, Fox News, Telemundo, and many other news outlets. He is highly rated on professional platforms, maintaining a 4.9/5.0 rating on Avvo based on dozens of client reviews.

Criminal defense attorney The Rivas Law Firm

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