"Hi, my name is Hadiya. This commercial is informational for you and your future children," she begins. "So many children out there are in gangs and it's your job as students to say no to gangs and yes to a great future."



The video then shows shots of a boy slumped in a stairwell, another boy sprawled against a locker, a girl lying on the floor against a wall as a classmate next to Hadiya says, "So many children in the world have died from gang violence. More than 500 children have died from being in the wrong place at the wrong time."



Four years after Hadiya Pendleton made that public service video at Carter G. Woodson Elementary School, police are saying the same thing about her.



Hadiya had just finished her final exams at King Prep High School, where she was a sophomore, and was hanging out with friends from the school's volleyball team when she was gunned down in a park in the 4400 block of South Oakenwald Avenue. Thursday afternoon, police announced the reward for information leading to an arrest in the shooting had increased to $24,000, up from $11,000 announced Wednesday.



Hadiya and the others had sought shelter from a rainstorm under a canopy at the park around 2:20 p.m. Tuesday when a gunman jumped a fence, ran toward them and opened fire, police said.



As the teens scattered, Hadiya and two teenage boys were shot. Hadiya was hit in the back and pronounced dead at Comer Children's Hospital less than an hour after the shooting. The wounds suffered by the boys were not life-threatening.