TUCSON, Ariz. -- The family of a 52-year-old former Arizona teacher says he was one of 13 people killed in a shooting rampage at Fort Hood in Texas.

Major L. Eduardo Caraveo's son, Eduardo, says his father arrived in the United States in his teens from Ciudad Juarez, Mexico, knowing very little English.

He earned his Ph.D. in psychology from the University of Arizona and worked with bilingual special-needs students at Tucson-area schools before entering private practice.

Caraveo's son told the Arizona Daily Star in Tucson that his father had just arrived at Fort Hood Wednesday and was preparing to deploy to Afghanistan. Eduardo Caraveo spoke to the newspaper from his mother's Tucson home.

The father's Web site said he offered marriage seminars, with a company based in Woodbridge, Va.

Shock, Sadness Grip Fort Hood

A chaplain exhorted hundreds of mourners gathered at a candlelight vigil to not give up hope as Fort Hood and its surrounding community looked to each other for comfort after an Army psychiatrist allegedly went on a deadly shooting spree at the military post.

A grief counseling center was set up Friday at the Killeen Community Center to help residents struggling to make sense of one of the worst mass shootings ever on a military facility in the United States. At least 13 people died and more than two dozen were wounded in the attack a day earlier.

"Remember to keep breathing. ... Keep going," Douglas Carver, the Army's chief chaplain, told the crowd of several hundred at the vigil, many dressed in fatigues and black berets.

The alleged gunman, Maj. Nidal Malik Hasan, was wounded and taken into custody after a gunfire exchange with two civilian police officers. At least 13 people died and more than two dozen were wounded.

Like other military installations nationwide, the bonds between Fort Hood and the town at its doorstep are tight. Town merchants depend on the soldiers who shop at their stores and eat at their restaurants. Locals show their appreciation and support for the troops, hoisting giant yellow ribbons and raising money for charities benefiting Fort Hood soldiers stationed in Iraq or Afghanistan.

"Most of our clientele are soldiers, so this affects everyone in the community," said James Carpenter, 34, a tattoo artist at Zombie Ink and a former soldier who had been stationed at Fort Hood before he left the Army in 2003. "Everyone is asking why and saying, `I can't believe he did that."'

Witnesses said Hasan stood on a desk and began firing after walking into the Soldier Readiness Processing Center, where troops who are about to be deployed or who are returning undergo medical screening. Those who weren't hit by direct fire were struck by rounds ricocheting off the desks and tile floor.