Olivia Nicole Deffner, 24, of Plano, Texas, was killed on September 10, 2017, at a Dallas Cowboys viewing party in Plano. Born October 2, 1992, in Charleston, South Carolina, she graduated Summa Cum Laude from Ronald Reagan High School in 2011 and earned a B.S. in Marketing from UT Dallas in 2015. Olivia worked as a Digital Marketing Manager with Texas Instruments and was described as someone who loved travel and animals.

The gathering was hosted by Meredith Hight, 27, when Meredith’s estranged husband, 32-year-old Spencer Hight, allegedly entered the home armed and opened fire. Eight people, including Meredith Hight and Olivia Deffner, were killed. Spencer Hight was shot and killed by a responding police officer at the scene. Reports say the marriage had been troubled and Meredith had filed for divorce in July 2017.

Olivia’s family and friends mourned her for her accomplishments and the life she lived.