The two others in the vehicle were not injured. The girl was pronounced dead at the scene, and the woman was taken to the hospital.
Police said the shooter pulled his truck up alongside the woman's vehicle and fired into it, killing the girl. The woman drove off rapidly and ended up pulling over to call 911 moments later when she realized her daughter wasn't breathing.
Jazmine's mother, 30-year-old LaPorsha Washington, was shot and wounded, Gonzalez said. The girls and Washington survived.
Houston police have launched a massive manhunt after a seven-year-old girl was fatally shot in a Walmart parking lot. Another child in the vehicle suffered minor injuries from glass fragments.
The image of the red, four-door pickup was captured shortly before the shooting occurred Sunday morning, Harris County sheriff's Lt. Christopher Sandoval told reporters. Investigators describe him as a white male in his 40s with a beard and driving a red pickup truck. "A total of 5 occupants in the auto witnessed this child, their loved one, shot and killed before their eyes".
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The employee reportedly wasn't following protocols to keep North Korea defectors' data encrypted and on offline computers.
According to Harris County sheriff's Maj.
The suspect, who is still at large, "is considered armed and unsafe", Razo told reporters. "They lost a sister, especially during the holiday season".
The sheriff's office is asking locals in the area around Wallisville Road near the E. Sam Houston Parkway, near the Walmart, to check surveillance video to try an identify the suspect.
"And I urge you, whoever did this, you know who you are, please turn yourself in now because we will be looking for you, we will locate you, we will find you", he said.