Dahir Adan was admitted to the U.S. as a refugee, a source familiar with the matter confirmed to The Hill.
Family members told the Tribune the suspect was beginning his third year as a student at St. Cloud State University.
"We can’t overcome our enemies by pretending they don’t exist, and undermining our first line of defenders. Only together, clear-eyed and determined, can we defeat this foe," Cruz said.
Jesse Byrnes contributed to this report.
Updated 2:43 p.m.