Monster math teacher posed as student, used fake identity & burner numbers to send sick messages to 12-year-old, charged

Florida – A criminal case that began with a child’s plea for help has now widened into one of the more disturbing investigations to emerge from Northeast Florida this year, ending with a private school teacher and coach in jail under a mountain of charges.

Authorities say the accused, 34-year-old Johnny Robinson III, was not simply sending abusive messages from behind a screen.

Investigators allege he carefully built a false identity, used technology to stay hidden, and repeatedly targeted a 12-year-old girl over a period of months.

The investigation dates back to December 2025, when the girl approached a School Resource Officer and reported that she had been receiving a relentless stream of s**ually explicit messages and images…

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