Soldier Killed In Afghanistan Had Affinity For Details Army Cpl. Jon Ayers was a by-the-book kind of guy. At age 3, he got upset when his dad's church shoes were unpolished. In high school, he joined ROTC and honed his attention to detail. Ayers was killed as he defended his post in Afghanistan this month during the deadliest Taliban attack on U.S. forces in three years.