keith and julie griffith. church going, golf playing, high school sweethearts. 36 years into a marriage that produced two sons. aaron, the older. >> they were very supportive parents. they were loving. they loved my kids. >> aaron took after his dad. athletic, easy going, level headed. younger brother, zack, was more of a firecracker like his mom. there was the time, for instance, in the 6th grade, zack grabbed a shovel and started digging a hole for a koi pond in the backyard. >> my parents come home like what are you doing? i'm like, we're going to have a pond. >> were they okay with it? >> yeah. they were fine. they were kind of like, well, this is going to be a nightmare. >> when aaron and zack flew the nest, the griffiths' lives seemed to only get busier. they joined a motorcycle class through their church, and frequently were a golf foursome with friends greg and temple bradley. >> everybody that knew keith loved him. great guy. >> did he become your best friend? >> yeah. definitely, one of my very best