Attorneys representing a white supremacist who is accused of killing a Black Army lieutenant at the University of Maryland, College Park will fight to prevent the offensive and racist content found on his phone and social media accounts from being used as evidence in his murder trial. Sean Urbanski, 24, is accused of stabbing 23-year-old Richard W. Collins III to death on May 20, 2017. The 23-year-old was waiting for a ride with two friends at the university when Urbanski approached him and ordered him to move, police said. “Step left, step left if you know what’s best for you,” Urbanski reportedly told Collins before stabbing him to death with a folding knife....