Officials haven't officially said anything about motive, though there are certainly clues -- namely that it took place at a Planned Parenthood clinic.
Yet the answer to "why" may be a long time coming, if it comes at all. Journalist Dave Cullen has the long view on trying to glean too much too soon from media reports. He wrote a New York Times bestselling book about the Columbine shooting and recently penned what he calls a "skeptics guide" to understanding media coverage after a mass shooting for New Republic. Cullen spoke with Colorado Matters host Ryan Warner.
Cullen's Tips:
Beware of talk about "motives"
Beware when the media discusses "multiple sources"