ALLEN, Texas —  It was one year ago Monday when a gunman went on a rampage at Allen Premium Outlets in North Texas, killing eight people and wounding seven more.

What You Need To Know

  • Monday marks one year since eight people were killed and seven more injured in a mass shooting at Allen Premium Outlets

  • A police officer is credited with stopping the gunman, possibly saving countless lives

  • Those killed included three members of a Korean American family, two young sisters and an engineer from India

  • The massacre sent hundreds of shoppers at the Allen Premium Outlets scrambling for cover in shops, storerooms and closed hallways

A police officer is credited with stopping a heavily armed neo-Nazi, likely saving countless lives.

The massacre sent hundreds of shoppers at the Allen Premium Outlets scrambling for cover in shops, storerooms and closed hallways. Allen is a Dallas-area multicultural suburb of roughly 105,000.

Those killed included three members of a Korean American family, two young sisters and an engineer from India.

Authorities have acknowledged the authenticity of a social media account on which the gunman, who had no criminal record, displayed a fascination with white supremacy while offering what are, in retrospect, chilling hints of his research and planning.

The neo-Nazi’s victims represented a cross-section of the increasingly diverse Dallas suburbs.

Sofia Mendoza, a second-grader at Cox Elementary School, and her big sister, fourth-grader Daniela Mendoza, were among them. Principal Krista Wilson called them “the kindest, most thoughtful students” in a letter to parents. Their aunt, Anabel Del Angel, said their mother was wounded.

Three members of a Korean American family were killed: Kyu Song Cho, 37, and Cindy Cho, 35, and their 3-year-old son. Another son, 6, was wounded. Kyu Cho was a managing partner at the law firm Porter Legal Group. “He was loved and respected,” the firm said.

LaCour, the 20-year-old security guard, was known to stop by the mall’s Tommy Hilfiger clothing store.

“He was very young, very sweet, came in all the time to visit with us,” said the store’s assistant manager, Andria Gaither.

Aishwarya Thatikonda, 26, was from India, the daughter of a judge in Hyderabad. She held a graduate degree in construction management and worked as a civil engineer at the Dallas-area firm Perfect General Contractors.

“She came to the United States with a dream to make a career, build a family, own a home and live forever in Dallas,” company founder Srinivas Chaluvadi said.

Elio Cumana-Rivas, 32, was also killed. His brother, Gregory Smith Cumana, said that Cumana-Rivas, who was from Venezuela, had moved to the U.S. “in search of the American dream.”