Virginia Tech (2007) Massacre: Virginia later closed the legal loopholes that had previously allowed Cho, an individual adjudicated as mentally unsound, to purchase handguns without detection by the National Instant Criminal Background Check System (NICS). It also led to passage of the first major federal gun control measure in more than 13 years. The law strengthening the NICS were adopted in early 2008.
Bloggers take: Laws can't work if they aren't enforced.
1862: Emancipation Day in D.C.