It’s too bad that the Orlando shooter avoided prosecution and arrest after being interviewed three times by the FBI since 2013 for threats against others, but it’s hard to arrest someone if there is no physical evidence.

It’s too bad that the Orlando shooter avoided prosecution and arrest after being interviewed three times by the FBI since 2013 for threats against others, but it’s hard to arrest someone if there is no physical evidence.
Comments
Comments are turned off for this article.