text:  Investigators will be digging through the suspect's social media, phone records, computer web search history for clues on that. They'll also talk to people who the shooter was in contact with in recent days and weeks. And all of that can help provide useful information as investigators try to understand why Crooks decided to take this sort of action. This is the first such attack since the attempt on President Reagan's life in 1981. How will this be handled?