CNN CNN Newsroom November 2, 2013 15:17:00
From investigators that even family members, and our chris laurent reported, that family members said, everything seemed normal, the interaction with them seemed pretty normal, until recently when he sent some sort of text messages to his little brother, which family members say were alarming. but we don't know the exact content of that message, and we don't know, when we hear recently, just weeks ago, days ago, a matter of months ago. how will investigators try to piece things together? i mean, they clearly are more interested in the events that occurred. but how far back might they try to, y...