A 34-year-old Sioux Falls man is facing life behind bars after a federal jury convicted him of fueling the city’s methamphetamine crisis. Alvin Felicianosoto was found guilty of Conspiracy to Distribute Methamphetamine and Possession with Intent to Distribute Methamphetamine following a three-day trial that laid bare his role in a sprawling drug network. The verdict came February 14, 2018, in Sioux Falls, South Dakota, after jurors heard evidence linking Felicianosoto to more than 50 pounds of meth sold across the region.
The charges stem from a years-long investigation that began with a sting on July 20, 2016. That night, Felicianosoto was arrested attempting to meet a buyer, 114.3 grams of methamphetamine hidden on his person. The next day, law enforcement raided his residence and seized another 109.5 grams of the drug. The bust was just the tip of the iceberg — witnesses testified that Felicianosoto regularly supplied meth to street-level dealers across Sioux Falls, building a distribution ring that prosecutors say flooded neighborhoods with poison.
Felicianosoto was first indicted by a federal grand jury on November 1, 2016, on the possession with intent charge. A superseding indictment, filed November 7, 2017, added the conspiracy count, alleging he participated in a network responsible for trafficking over 500 grams of a mixture containing methamphetamine. The sheer volume triggers federal mandatory minimums: each count carries a 10-year minimum sentence, up to life in prison, a $10 million fine, and five years to life on supervised release. A $100 special assessment to the Federal Crime Victims Fund was also imposed.
Witnesses — some cooperating to reduce their own sentences — detailed how Felicianosoto functioned as a key supplier, packaging and distributing the drug in bulk. One testified to receiving multiple ounces at a time, reselling them in smaller quantities across the city. Another described coded communications and drop-offs at gas stations and parking lots. The prosecution painted a picture of a calculated, profit-driven operation that exploited addiction for personal gain.
The case was led by the Sioux Falls Area Drug Task Force and the Drug Enforcement Administration, agencies that have intensified crackdowns on meth trafficking in South Dakota amid a surge in overdose deaths. Assistant U.S. Attorney Jennifer D. Mammenga prosecuted, calling the operation a threat to public safety. “This wasn’t casual dealing,” she said in closing arguments. “This was a sustained criminal enterprise targeting vulnerable communities.”
With no bond, Felicianosoto was remanded into the custody of the U.S. Marshals Service immediately following the verdict. Sentencing is pending, but given the weight of the charges and the mandatory minimums, a decade-long prison term is virtually guaranteed. The conviction marks one of the more significant drug trafficking takedowns in Sioux Falls in recent years, underscoring the federal government’s focus on dismantling supply chains — not just street-level users.
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Key Facts
- State: South Dakota
- Agency: DOJ USAO
- Category: Drug Trafficking
- Source: Official Source ↗
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