FORT WORTH, Texas -- The suspected shooter of an East Texas high school football coach is in police custody near Lindale, Canton police say.

Gary Joe Kinne was shot on the school's campus Thursday near the school's field house. The Governor's Office of Homeland Security has accused Jeffrey Doyle Robertson of firing an AK-47 and then fleeing the scene in a 2004 black Dodge pickup with Texas license 64N-XW1. Robertson, 45, has a child enrolled at the school.

Kinne (pictured, below), who is also the Canton High School athletic director, was shot at least once in the chest at about 9:20 a.m. and airlifted to a hospital in nearby Tyler, Don Martin, spokesman for the Tyler Police Department told The Tyler Morning Telegraph.

Information on Kinne's condition was being withheld at the request of Canton police, said John Moore, spokesman for Trinity Mother Frances Health System in Tyler.

The truck was found early Thursday afternoon in a rural area near Lindale. Robertson was found only a short distance away underneath some trees on the east end of the Garden Valley Golf Course.

DPS officers told NBC 5 that Robertson was found with several self-inflicted wounds and was bleeding profusely. Robertson is being transported to the East Texas Medical Center in Tyler.

Robertson had other weapons in his truck and had made statements that he had a hit list and would not be taken alive, said Sophie Yanez, a spokeswoman for the state Homeland Security office.

The DPS said investigators suspect the Canton-area man is heading to Dallas. Troopers believe he is heavily armed.

Amanda Sheperd, owner of Backwoods Bar-B-Que in Canton, said she was alarmed when she heard about the shooting because her ninth-grade grandson, Ty Sheperd, plays baseball and has a class in the fieldhouse. She believes he had left the fieldhouse and gone to band class before the shooting.

"I talked to the school just now and they said the kids were taken care of, and they're not letting anybody in or out," said Sheperd, who was continuing to serve lunch customers as news helicopters hovered over the school about a half-mile away.

Kinne took over as Canton coach after leaving Mesquite High School before the 2003 season. His son, G. J. Kinne, was the AP 3A All-state honorable mention quarterback last season. Robertson was banned from school functions and property after an altercation with Kinne sometime after he took over as coach in 2003.