Adrian Peterson (USA TODAY)
SIOUX FALLS, S.D. (AP) - Prosecutors expect to ask a grand jury to consider more serious charges in the death of the 2-year-old son of Minnesota Vikings running back Adrian Peterson.
Lincoln County State's Attorney Tom Wollman says he will review the completed autopsy report along with other reports before seeking any new charges against 27-year-old Joseph Robert Patterson.
Sioux Falls police identified the boy as Tyrese Robert Doohen, who died Friday after being hospitalized with severe head injuries.
Patterson, the boyfriend of Tyrese's mother, was charged last week with aggravated assault and aggravated battery. Prosecutors are also asking that a suspended sentence be imposed for a previous domestic assault conviction.
A message left for Patterson's attorney was not immediately returned.
Peterson has declined to discuss the relationship he had with the boy.
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10/15/2013 1:19:43 PM (GMT -4:00)