Garrett Reid, the eldest son of Philadelphia Eagles head coach Andy Reid, was found dead Sunday at the Eagles training camp at Lehigh University in Bethlehem, Pa.

Garrett Reid was found unresponsive in a university dormitory room by an Eagles official, according to the Philadelphia Inquirer. An autopsy is expected to be conducted within 24 to 48 hours.

Lehigh University Police Chief Ed Shupp told the Inquirer that the Eagles official who called police at 7:20 a.m. EDT about Garrett Reid was not Andy Reid. "There is no indication of a suicide or foul play," Shupp also said.

Garrett Reid, 29, and his wife Tammy had been helping his father at the Eagles training camp. One of Andy Reid's five children, he had a tough past that saw him do prison time and struggle with drug abuse.

The Eagles head coach sat out practice on Sunday, as he had his assistant coaches run it. The team was seen in a prayer circle before the drills, and neither coaches nor players were made available for interviews about the situation, the Inquirer reported. The last time Andy Reid is believed to have missed a practice session was in 2007, after Garrett Reid was arrested on drug and gun charges that led to a prison sentence of almost two years, the Inquirer said.

Andy Reid also took a leave of absence during the 2008 offseason to deal with the criminal charges faced not only by Garrett Reid but also by Britt Reid, another of Andy Reid's sons. Britt Reid is now a graduate assistant at the Temple University football program.

A friend of the Reid family told USA Today that Garrett Reid had been on the right path since he was sentenced to attend a drug-rehabilitation program in 2008 after being caught with 89 prescription pills. "He's had a tough struggle," Joe Banner said. "He seemed to be in a good place, which makes [his death] all the more shocking."

An investigation into the death is continuing.