Indiana Code Title 35. Criminal Law and Procedure § 35-40-15-2

Sec. 2. An immediate family member:

has the right to request the superintendent of the state police department to conduct a new investigation to determine whether the death was the result of a criminal act committed by a third person.  An immediate family member has the right to request a new investigation even if the state police department assisted the local law enforcement agency in the earlier investigation of the uncharged death.