Nicholaus Tripp, a 29-year-old man from Spearfish, South Dakota, has been sentenced to a decade behind bars for attempting to lure two teenage girls into sexual encounters through the internet. The conviction, handed down by Chief Judge Jeffrey L. Viken in U.S. District Court, marks the end of a calculated digital sting operation that exposed Tripp’s predatory online behavior.
On February 9, 2018, Tripp was sentenced to 10 years in federal prison followed by 10 years of supervised release. He was also ordered to pay a $100 special assessment to the Federal Crime Victims Fund. Moments after the sentencing, he was taken into custody by the United States Marshals Service, disappearing into the federal prison system without delay.
The crime began with a Craigslist ad. Prosecutors say Tripp responded to a post and initiated contact with someone he believed was the mother of two girls, ages 13 and 15. In reality, the person was an undercover law enforcement agent working with the Internet Crimes Against Children Task Force. The conversations quickly turned explicit, with Tripp detailing plans to meet the girls for sexual acts.
Investigators say Tripp didn’t hesitate. He openly discussed sexual acts he intended to perform with the minors, believing he was arranging a tryst with a willing parent. His messages, preserved as digital evidence, painted a clear picture of intent—enough for federal prosecutors to secure a conviction on the charge of Attempted Enticement of a Minor Using the Internet.
The case was prosecuted by Assistant U.S. Attorney Sarah B. Collins, who emphasized the danger posed by predators who exploit online platforms to target children. “This wasn’t fantasy talk,” Collins stated in court. “This was a real, active effort to exploit vulnerable minors. The internet may be virtual, but the threat is very real.”
Tripp was first charged on January 10, 2017. The investigation, led by the Internet Crimes Against Children Task Force, highlights the ongoing federal push to identify and prosecute online predators before they can harm actual children. Authorities warn the web remains a hunting ground—and cases like Tripp’s prove law enforcement is watching.
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Key Facts
- State: South Dakota
- Agency: DOJ USAO
- Category: Sex Crimes
- Source: Official Source ↗
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