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Press Release

Rosebud Woman Sentenced for Assault With a Dangerous Weapon

For Immediate Release
U.S. Attorney's Office, District of South Dakota

United States Attorney Randolph J. Seiler announced that a Rosebud, South Dakota, woman convicted of Assault With a Dangerous Weapon was sentenced on October 24, 2016, by U.S. District Judge Roberto A. Lange.

Tianna Leaf Arellano, age 30, was sentenced to 25 months in custody, followed by 3 years of supervised release, and a $100 special assessment to the Federal Crime Victims Fund.

Arellano was indicted for one count of Assault With a Dangerous Weapon, and one count of Assault Resulting in Serious Bodily Injury by a federal grand jury on February 17, 2016.  She pled guilty to Assault With a Dangerous Weapon on August 3, 2016.

On the morning of December 26, 2015, Arellano and others were at the home of a family member south of Mission. Arellano got in an argument with a family member, the victim, and picked up a knife.  She stabbed the victim in the abdomen several times causing multiple internal injuries, including a lacerated liver.  The victim was taken to the hospital in Valentine, Nebraska, and then transported by Life Flight to Rapid City Regional Hospital in Rapid City, South Dakota, for further treatment.

This case was investigated by the Rosebud Sioux Tribe Law Enforcement Services.  Assistant U.S. Attorney Kirk W. Albertson prosecuted the case.

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

Updated October 27, 2016

Indian Country Law and Justice