He first joined Fox News in 2001. Tobin reported live on the death of unarmed Freddie Gray and the protests that followed in Baltimore, Maryland. He also provided live coverage from Ferguson, Missouri on the protests and investigation of the death of Michael Brown. 
Previously, Tobin has reported on several breaking news stories such as the Boston Marathon bombing, the Sandy Hook shooting, and the deadly EF5 tornado in Moore, Oklahoma. He also covered the aftermath of the 2011 Joplin, MO EF5 tornado.