'Back to the Beginning' Christiane Amanpour: Joshua and Conquest of Canaan: Looking for Evidence Firefighter Ambush in Upstate NY: Woman Charged for Gun in Deadly Firefighter Ambush Christmas Eve shooting in upstate N.Y. killed two volunteer firefighters responding to fire. Woman Disguised as Nurse Tries to Kidnap Baby Attempt to snatch baby from maternity ward in California hospital foiled. Baby Abducted From Pittsburgh Hospital How did security miss abduction of 3-day-old? Officials on How Weapons Got into Webster, NY, Gunman's Hands Dawn Nguyen allegedly falsified purchase documents to get guns for William Spengler. ABC News Samples DNA-Altered Salmon Jim Avila visits AquaBounty and notes no difference in taste. Major Cities Brace for Giant Nor'Easter New storm system may create travel headaches across the Northeast during busy holiday season. Part 6: American couple attempts to retrace Abraham's Biblical path through 10 countries. Marilyn Monroe FBI Files Released Famous actress was suspected of ties to communism. Gloucester Township Officials on Police Station Shooting Details released in police headquarter shooting that left three officers injured.