A 46-year-old Indiana grandmother is under investigation for her possible ties to suspected and convicted international terrorists, FoxNews.com has learned. Muslim-convert Kathie Smith, 46, a U.S. citizen living in Indianapolis who has blogged about her granddaughter, last year married a suspected German jihadist, and has been flying back and forth between the U.S. and Germany as recently as two weeks ago. A pro-jihadist video featuring Smith and her husband – alongside photos of members of the Islamic Jihad Union charged with plotting failed terror attacks against U.S. targets in Germany -- is being investigated by the Indiana Intelligence Fusion Center....