journalists shot dead at work, in their newsroom, their photos above the fold here, as not only the community, but the entire state remembers them. the governor of maryland ordering the flags fly at half-staff in their memory. kate? >> rene, thank you very much. we'll get back to rene as we have lots of moving parts today, this hour, with regard to the investigation and the man now charged. court documents show that the accused gunman lost a legal fight with the newspaper. he filed defamation lawsuit that seems to unravel his guilty plea in a harassment case back in 2011. shimon prokupecz has been gathering more information on him. the county police chief said today that they are frustrated. that was his word, that they know what happened, but they're working on a lot of the whys, he said. >> reporter: that's right. kate. think part of this is because the why is they don't know why this happened yesterday.