What was a notable event on December 5, 2007, at the Westroads Mall?

The notable event on December 5, 2007, at the Westroads Mall was the Omaha mall shooting. During this tragic incident, a gunman opened fire in the shopping area, resulting in multiple casualties. This shooting drew significant media attention and highlighted issues surrounding gun violence and public safety in malls and similar venues.

The other events mentioned—such as the Virginia Tech shooting, Aurora theater shooting, and Sandy Hook elementary shooting—occurred at different locations and dates, which is why they are not relevant to the question about the Westroads Mall.