Open this photo in gallery: Surveillance footage of a vehicle near the scene of a shooting at Saint Alphonsus Regional Medical Center on March 20 in Boise, Idaho.The Associated Press Police on Thursday arrested two white supremacist gang members – an Idaho prison inmate and the accomplice who helped him escape – following an attack on corrections officers at a Boise hospital, and investigators are looking into whether they killed two people while on the run. Skylar Meade, the escaped inmate, and Nicholas Umphenour, the man who police say shot two Idaho corrections officers early Wednesday to break Meade out...