marcy val end eyes a has the story. >> 911 emergency?i need to report a possible robbery. >> one of several 911 calls helped police hager. >> these people calling in what really saved them, what made our response get here very quickly. >> callers witnessed the crime, though they were halfway around the world. >> i wasn't actually there. avenue friend that stroams video games on line through like a web cam. >> this is what they saw via web cam at 5:00 o'clock in the morning local time. the victim, a on line gamer; sitting in front of her computer will someone storms in. >> the girl gets up, and moments later, a man with a gun walks in the room. >> you know the interesting part is that again on this is that there were, from my understanded g, several callers from around the world that were trying to find out where this victim was, watching this whole thing occur, while she was being assaulted and the home invasion was occurring. >> police say the first caller was in europe, called someone they new in the u.s. who, in turn, called tempe pol