A year ago, the Ramsey County sheriff's office began looking closely at a group called the Republican National Convention Welcoming Committee. What it found, according to an 18-page search warrant application and affidavit, led to weekend raids on two Minneapolis homes and a temporary St. Paul office for the self-described anarchist group. According to the document, investigation learned: The self-described anarchist group — whose main goal was to "crash" the Republican National Convention," according to its Web site — traveled to or communicated with affinity groups in 67 cities to recruit members and raise money. Group members discussed the possibility...