A citizen of Somalia pleaded not guilty for the homicides of three members of the Yankton Sioux Tribe of South Dakota.

Omar Mohamed Kalmio, 27, is accused of killing Sabrina Zephier, 19; her 13-year-old brother, Dillon Zephier; and her mother, Jolene Zephier, 38. Kalmio is the father of Sabrina Zephier's child, who was found alone and unharmed in a home where the murders took place.

Kalmio is also accused of murdering Jeremy Longie, 22, who was Jolene Zephier's boyfriend. The crime occurred in Minot, North Dakota.

The trial is set to begin October 15, the Associated Press reported.

Get the Story:
Suspect pleads not guilty to murdering members of Yankton Sioux Tribe (AP 6/21)
Kalmio pleads 'not guilty' (The Minot Daily News 6/20)

Related Stories:
Authorities detain man in connection with Yankton Sioux homicides (2/3)
Investigation continues in deaths of three from Yankton Sioux Tribe (2/1)
Yankton Sioux Tribe Tribe mourns loss of mother and two children (1/31)