Police in Sioux Falls are investigating the first homicide of 2021 in the city. Three people were inside of a home in central Sioux Falls at around 12:30 Tuesday morning when an argument led to gunfire. An 18-year old man shot a 19-year old man several times. The victim was taken to the hospital where he was pronounced dead. The third person in the house was the victim’s mother. The shooter was apprehended and was taken into custody. Charges are pending.