captioning sponsored by cbs >> quijano: tonight the fbi now says it's investigating the shooting rampage at a florida navy base as a terror attack. the gunman a 21 year old saudi. his weapon legally purchased. >> the saudi government has pledged to fully cooperate with our investigation. >> quijano: also tonight impeachment evidence. democrats get set to present their case against president trump. >> the case we have is presented to a jury, would be a guilty verdict in about three minutes flat. >> he did nothing wrong. >> quijano: plus the president fires off a warning to north korea's kim jung-un after a new test at an old missile site. a man is arrested in san diego after being caught on camera in videos he shot. was he practicing for a mass shooting?