With Donald Moeller's execution Tuesday night, that leaves three inmates on South Dakota's death row.
Charles Rhines was sentenced to death for killing 22-year-old Donnivan Schaefer during a Rapid City donut shop robbery in 1992.
Briley Piper killed 19-year-old Chester Poage in 2000. Piper's partner in crime Elijah Page was executed in 2007.
Finally, Rodney Berget killed corrections officer Ron "RJ" Johnson during a failed escape attempt in April 2011. Eric Robert was executed by lethal injection for the same crime earlier this month.