UPDATE: The Palm Beach County Sheriff's Office now says a third person has died as the result of a shooting 10 days ago in suburban West Palm Beach.
Jenny Pierre-Louis, 21, who was in critical condition has died of her injuries, PBSO said.
54-year-old Sylvie Louis and 22-year-old Javonte Carter were pronounced dead earlier.
The motive of the shooting remains under investigation.
The Palm Beach County Sheriff's Office is investigating a deadly shooting in the 2900 block of Hiawatha Ave., in suburban West Palm Beach.
Arriving deputies found one victim outside of a residence.
Investigators said she was a female, but have not yet identified her.
Further investigation revealed that two additional victims were shot. One is deceased and the other is in serious condition at a local hospital.
The sheriff's office dispatched detectives from the PBSO Violent Crimes Division and crime scene investigators to the scene.