A Dubuque man was arrested Tuesday for posting on Facebook that it was “time to drive by the school” with a semiautomatic rifle — a post he said was a joke. 42 year old David Hanson Jr. was arrested Tuesday at his residence on a charge of threat of terrorism, a felony. A report says the post showed up on a Facebook page called “I Hate People.” The post stated, “Welp, time to drive by the school with my AR-15, full clip.” An officer met with Hanson at his residence. Hanson admitted to writing the post and said he posted it as a joke.