The investigation into the San Bernardino, CA massacre produced criminal charges on Thursday against the brother of one of the attackers and two other people — not for contributing to the mass shooting, but for their roles in a sham marriage designed to skirt immigration laws. On Dec. 2, Syed Rizwan Farook, and his wife, Tashfeen Malik, who had pledged allegiance to the Islamic State, armed themselves with assault rifles and pipe bombs, and carried out one of the worst terror attacks on American soil, killing 14 people and wounding more than 20 others at a social services center in...