Frisco police are asking for the public's help to learn more about the death of a 17-year-old Liberty High School student.
Investigators said Tyrell Conway was injured on Tuesday night, March 19 while exiting a moving car in the parking lot of the Stonebriar Centre shopping mall.
Tyrell, who was on Liberty's track and football teams, died four days later.
The circumstances surrounding Tyrell's death are still under investigation, police said. They are looking for witnesses who can help paint a clearer picture of what happened that night.
Anyone with additional information can call police at 972-292-6010, or can leave an anonymous tip by texting FRISCOPD with the tip to 847411.
Tips can also be delivered anonymously at the Citizen Observer website.
Funeral services for Tyrell Conway were set for 1 p.m. Friday, March 29 at Mount Olive Church of Plano, 300 Chisholm, Plano.