mother called with the news about shauna. >> what's it like to hear something like that? >> i don't know that you can describe it. you know, i mean, your heart just drops to your stomach. >> reporter: paula and shauna's family and friends gathered to mourn and remember how much they cared about her. the funeral itself was standing room only. >> it was a beautiful tribute to shauna. >> reporter: george's big sister, maria. >> i could see george was heartfelt and did what he could to express himself at a terrible time. it was all about showing that shauna was loved and cared for. >> reporter: meanwhile, las vegas homicide detectives worked diligently to identify and track down whoever killed her. >> do we have a predator? did she come home and they were burglarizing the house? is there an enemy somewhere that she made that we need to find?