LAFAYETTE, La. (AP) — A high school senior found shot in his Chevy Camaro during a weekend robbery died Wednesday, authorities said.

Lafayette police confirmed the death of Matthew Carter, 17, news outlets reported. They said two teens were arrested over the weekend and face charges including first-degree murder.

Cpl. Bridgette Dugas said police found Carter on Saturday inside his black Camaro with a critical gunshot wound. Carter’s family said two teenagers were trying to steal his car.

After Carter’s death, the family issued a statement of appreciation for all the support they had received, news outlets reported.

“Thank you to all of our family, friends, teammates and the community for holding Matthew in prayer during the devastating tragedy our family has endured,” the family statement read. “These last few days we have been surrounded by the most heartfelt compassion and care.”

Police said a 13-year-old and a 14-year-old were arrested Saturday. Both are charged with first-degree murder, armed robbery and conspiracy to commit armed robbery.

Carter was a senior at Comeaux High School who played football and soccer. A candlelight prayer vigil is planned for Thursday at 4 p.m. at the Comeaux High football stadium.

“Today Matthew left this world with a final and fitting act of love for others,” Carter’s family said. “He was always there for someone in need and now even in death, he will continue to give to others by donating his organs, making him not only our hero but also a hero to many others.”

The Lafayette Parish School System has sent grief counselors to the school.