LOS ANGELES - A white mother from Los Angeles says she was stopped by police and accused of human trafficking her 10-year-old biological biracial daughter by a Southwest Airlines flight attendant.Moira MacCarthy 10, could be heard sobbing in a nearly three-minute video after she and her mother, Mary MacCarthy, 42, were confronted by armed police at the Denver International Airport on October 22.MacCarthy, who is a single mom, flew from Los Angeles to Denver, with a stop in San Jose, to be with grieving family members following her brother's death. "My 46-year-old brother had died the night before, so we were going home to tend to family and siblings," MacCarthy said.When the pair stepped off the plane, they were suddenly met by a Southwest.