Investigators say a 31-year-old Alisa Canty died in the shooting at 4:00 p.m. in the 7300 block of Theodore Street.
Police say Canty was parked in a Honda with her 5-year-old daughter who was in the back seat.
The Delaware mother of three was at the location to pick up her 20-year-old boyfriend, who is the father of her two other children, and take him to a halfway house where he's been living in North Philadelphia.
Police say the man came out of his mother's house on the block when the gunmen came out of nowhere and targeted him.
"She's in the driver's seat, the child is in the back seat and we think he got into the front seat and that's when two gunmen show up on each side of the car and start firing," Philadelphia Police Lt. John Walker said.
Lt. Walker said Canty had no other choice but to reverse the car. The vehicle then slammed into another house.
The gunfire continued until 30 shots total were fired.
Canty took a fatal shot to the chest. The 5-year-old suffered a graze wound to the head and was taken to Children's Hospital of Philadelphia where she was treated and released.
The boyfriend was not struck and was taken in for questioning at police headquarters.
"These guys just do not care; they will fire bullets on any street at any given time," Philadelphia Police Commissioner Charles Ramsey said.
Saeedah Harrison, the grandmother of the victim's boyfriend, says she doesn't know why he was targeted but she has words for the killers.
"The same words I would give anybody who would kill anybody - God will get you," Harrison said.
Investigators worked throughout the evening on the street collecting evidence and talking with witnesses.
They also found a small bag of heroin outside the victim's car, but at this point they don't know who it belongs to.
Police say they are checking surveillance video from nearby cameras to see if it captured the two gunmen.
Anyone with information about the shooting is asked to contact Philadelphia Police at 215-686-TIPS, text a tip to PPDTIP (773847) or through phillypolice.com.