Investigators are still trying to figure out what happened. They found the body of a 20-year-old man in an alley. A woman who was shot was rushed to the hospital, but she died from her injuries.
Two other men were also shot. They're were in stable condition on Tuesday night.
The fire department says it received two different dispatch calls, one from 69th and Ashland and the other from 69th and Justine, about five minutes apart.
Two people were gunned down in front of a liquor store at 69th and Ashland, and ABC7 heard that one of the people that was shot there was possibly a woman in her 60s.
The other two people were shot at the other location.
Police are not saying what started the shooting, but are saying it appears to be a gang related.
Residents say that the shooting was done in retaliation for a robbery that occurred recently. They say someone came back here to try to get a target, but several innocent victims were hit in the process.
Meredith Nathaniel helped one of the victims and called 911, and she said it took 15 minutes for paramedics to arrive.
"The ambulance came. They didn't work on the young man. And all they did was put them on the thing and put them inside the ambulance. That boy took seven or eight breaths, and me and another young man was standing there, talking. And a man made it; he came back, with another boy. I don't understand it," Nathaniel said.
Police say three of the victims were male and one was female.