Miami/ Crime & Emergencies

Boca Raton Sex Offender Gets 15 Years After Abusing Teen While On GPS Monitor

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Published on August 15, 2026
Boca Raton Sex Offender Gets 15 Years After Abusing Teen While On GPS MonitorSource: Palm Beach County Sheriff's Office

A Palm Beach County judge sentenced Matthew Takahashi to 15 years in prison this week after he pleaded guilty to sexually abusing a teenage girl while wearing a GPS ankle monitor from a 2009 child pornography conviction. The sentence followed a tense April hearing in which the judge halted the plea proceedings to question whether the deal did enough to protect the public once Takahashi is released.

Takahashi pleaded guilty to two counts of unlawful sexual activity with a minor and a violation of probation, according to cw34. The station's report, written by reporter Eric Weiss, details how the new offenses occurred while Takahashi was already under court-ordered supervision stemming from his original conviction. Local broadcast reporting from Boca Raton Police, relayed by journalist Katie Bente, indicated the unlawful relationship with the then-16-year-old girl spanned more than a year while he wore an active ankle monitor.

A Plea Deal That Gave a Judge Pause

The proposed plea agreement called for 15 years in prison with credit for time served, revocation of Takahashi's probation from the earlier child pornography case, and his formal designation as a sexual predator, per the same cw34 account. But during the April hearing, the presiding judge stopped the proceedings to ask why the deal initially lacked a period of supervised probation after Takahashi's eventual release from prison, since the judge had the authority to sentence him to life in prison instead.

Courtroom video coverage relayed by Bente showed that the judge's concerns emerged after the minor victim testified that Takahashi had groomed her while occupying a position of trust as a father figure in her life. The victim told the court she no longer felt she had a normal high school experience, that she struggles with trust, and that she feared for her younger sister's future safety. She asked the judge to impose probation and a no-contact order once Takahashi is released, and her mother voiced support for the proposed 15-year sentence, according to the cw34 report.

Final Sentence Adds a Decade of Supervision

The judge ultimately sentenced Takahashi to the 15 years in prison plus 10 years of sex offender probation, GPS monitoring, and a no-contact order covering the victim and her family. The judge may also send Takahashi to a treatment facility after his release from prison, per the cw34 report. Takahashi told the judge he understood the scope of the court's sentencing authority, and the victim and her family remain in therapy, the station noted.

Florida law backs up the weight of that supervision. Under Section 775.21 of the Florida Statutes, known as the Florida Sexual Predators Act, anyone designated a sexual predator faces mandatory registration, public notification, and specialized probation supervision by officers who maintain restricted, low caseloads. Separate state law, F.S. 948.30, mandates continuous GPS monitoring, polygraph examinations, strict internet boundary controls, and residency restrictions for supervised sex offenders, according to a legal summary from the Sammis Law Firm. Failing to comply with those registration or probation requirements is itself a second-degree felony in Florida, punishable by up to 15 years in prison, per Florida Department of Law Enforcement registry records, which list Takahashi, born August 30, 1971, under Department of Corrections ID W42239.

The Same Technology That Caught Him the First Time

Takahashi's original prosecution dates back to 2009, when Palm Beach County Circuit Court filings recorded his case under number 2009CF008698AXX. Per Schiller, the original investigation began using technology from the Child Rescue Coalition, and the organization has stated it was among its first cases when its digital tracking tools helped law enforcement identify and arrest Takahashi 17 years earlier.

The prosecutor who convicted Takahashi in that original federal child-exploitation case in 2009 was Greg Schiller, who is now CEO of the Child Rescue Coalition. Schiller returned to court in August as a child protection advocate rather than a prosecutor, and per Schiller, Takahashi sexually assaulted the teenage girl while on probation for possession of child sexual abuse material, and even attempted to be removed from probation while committing the new offense. Schiller said the Child Rescue Coalition supports law enforcement around the globe and in Palm Beach County, and he said the sentence affirmed the conviction and showed that sexual predators will not stop.

The case echoes another recent Palm Beach County prosecution that leaned on the same forensic tools. Hoodline reported earlier this month that West Palm Beach resident Johnny W. Aleman received a 10-year prison sentence after Child Rescue Coalition technology helped investigators locate illegal digital media on his devices, underscoring how frequently the same digital tracking tools surface in local child exploitation cases.

Miami-Crime & Emergencies