On Feb. 14, just before 7:30 a.m., the Winnipeg Police Service responded to a homicide at a residence in the 500 block of Young Street.
North District General Patrol officers arrived on scene and located a female who had succumbed to her injuries.
The Homicide Unit has assumed the investigation.
The victim has been identified as 18-year-old Avontai Hartleib, a member of the Sachigo Lake First Nation, who had been residing in Winnipeg.
On Feb. 17, the Homicide Unit identified a suspect and has made an arrest.
A 14-year-old male youth has been charged with second degree murder and criminal negligence causing death.
He was detained in custody.