PIERRE — The former treasurer of the Crow Creek Sioux Tribe will go to federal prison for more than 18 years after being sentenced for aggravated sexual abuse.

Roland Hawk Sr., 52, of Fort Thompson, was sentenced to 222 months, or 18 1/2 years in federal prison, followed by five years of supervised release and a special assessment to the Federal Crime Victims Fund in the amount of $100. The sentence was handed down on Monday, Nov. 23 by Chief Judge Roberto Lange.

Hawk was indicted by a federal grand jury on April 9, 2019. He pleaded guilty on June 16, 2020.

The conviction stemmed from an incident in November 2018, in Fort Thompson, when Hawk knowingly engaged in and attempted to engage in a sexual act with an individual by the use of force, according to authorities.

The case was investigated by the Federal Bureau of Investigation. Assistant U.S. Attorney Jay Miller prosecuted the case.

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Hawk was immediately turned over to the custody of the U.S. Marshals Service.

Earlier this year, Hawk was sentenced to 42 months in prison and ordered to pay $325,762.50 in restitution as part of a embezzlement scheme involving tribal funds. He was one of six members of the Crow Creek Sioux tribal council to be charged and sentenced as part of the scheme.

Hawk's sentence for the sexual assault crimes will run consecutive to his sentence for embezzlement.

A case against Hawk, who was wanted for the 2017 sexual assault of a minor in Las Vegas, Nevada, remains active.