PIERRE, S.D. –  Attorney General Marty Jackley announced today that Gary Johnathan Martin, 35, Pierre, has been sentenced today to 15 years in the state penitentiary on one count of abuse or cruelty to a minor, a class 3 felony. This charge was a class 3 felony because the victim was less than seven years old.

The charge stems from an incident where Martin assaulted his girlfriend’s two-month-old son.

This case was investigated by the Pierre Police Department and prosecuted by the Attorney General’s Office.

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