Democratic Montana Sen. Jon Tester appears to be changing his tune on supporting the Republican-led Laken Riley Act, named after the 22-year-old nursing student who was allegedly murdered by an illegal alien in February on the University of Georgia’s campus. Tester voted with Democrats on March 23 in blocking GOP Sen. Ted Budd’s amendment he described as being a “modified version” of the Laken Riley Act to the second government funding package. The senator is now co-sponsoring the bill, according to a press release on Thursday, which would require federal officials to detain illegal aliens who…