Jonathan McComb is part of a crucial network of volunteers searching for the missing after catastrophic flooding hit Central Texas.

The McComb family spent their last day together barbecuing with friends. That night, the Blanco River, which is just east of Kerr County, swelled 28 feet in 90 minutes. The McComb's vacation home was pulled from its foundation and floated down the river.

Many are still missing in Kerr County, Texas after flash flooding killed at least 70 people. Residents are bracing for more bad weather as more rain is predicted for today. Christian Brown, who was in a cabin with his family as the flash flood hit,