The arrest ends a nationwide manhunt . Michael Baumgartner , 21 , is arrested while attempting to cross into the United States . He will be brought back to Edmonton , Alberta . Canadian authorities filed warrants for three counts of murder for the 21-year-old man , who worked at the same security firm as the victims . Baumgartner is suspected of killing three people during a robbery attempt at the University of Alberta .
The arrest ends a nationwide manhunt . Michael Baumgartner , 21 , is arrested while attempting to cross into the United States . He will be brought back to Edmonton , Alberta . Baumgartner is suspected of killing three people during a robbery attempt at the University of Alberta .