Jess Ramos Photo source: Texas Ranger Hall of Fame & Museum As varying media reports circulated Thursday about the alleged Fort Hood shooter, several law enforcement officials from Lampasas County patrolled the outer boundaries of the military installation.

Fort Hood’s Criminal Investigative Division invited Texas Rangers onto the base to secure the area and assist the FBI in its investigation.

Texas Ranger Jess Ramos arrived on Fort Hood about 2 p.m. Thursday and helped serve the warrant on the alleged shooter. Ramos and other Rangers also patrolled the roads around Fort Hood’s perimeter to watch for possible additional gunmen.

Although officials have identified Army Maj. Nidal Malik Hasan as the alleged shooter, others originally sus- pected as participants were released after questioning and are not believed to have been involved in the attack.

As he worked to secure the perimeter, Ramos said he was confident no shooter had escaped off the military base.

“That was never a concern of mine,” he said. “They did a good job containing it.”

Ramos also helped locate and interview witnesses. Law enforcement officials questioned more than 40 people on Thursday, he said, and the Ranger expected additional interviews on Friday.

After arriving home at 4 a.m. Friday, Ramos prepared to return to Fort Hood about three and a half hours later to assist the FBI.

“We’re pretty much at their disposal to help them however they need,” he said.

In addition, three officers from the Texas Department of Public Safety’s Lampasas office patrolled the outside perimeter of Fort Hood on Thursday, a DPS spokesman said.

The Lampasas Sheriff’s Department offered assistance, a spokesman said, but no officers were called to Fort Hood.