The suicide of a young woman in Colorado this week demonstrates that 48-hour waiting periods for gun purchases can save lives An 18-year-old woman from Florida, who had an unhealthy obsession with the Columbine High School shooting that occurred 20 years ago in Littleton, Colorado, made a pilgrimage from her home to the Rocky Mountain state this week. Image credit: Wikimedia Authorities worried that the woman, who had reportedly purchased a gun when she arrived in Colorado, posed a security threat, and many high schools closed their doors rather than risk a repeat of what happened in 1999. That woman ended up dying by suicide, according to reporting from Fox 31 in Denver . She was able to purchase her weapon in about 20 minutes, as Colorado doesn't have a waiting period to purchase guns. When I read about those details this week, I was reminded about a series of blog posts I had written in 2015 about Wisconsin's own 48-hour waiting period to buy guns. At that time,...