A senior government official tells ABC News that investigators have found that alleged Fort Hood shooter Nidal Malik Hasan had “more unexplained connections to people being tracked by the FBI” than just radical cleric Anwar al Awlaki. The official declined to name the individuals but Congressional sources said their names and countries of origin were likely to emerge soon…

The FBI would not comment on what the agents were looking for at the mosque a full five days after the shooting, but motivation remains the focus.

“Obviously, the key is did he act alone,” former senior FBI official Brad Garrett told ABC News. “And secondarily is, what evidence might potentially be in the dumpsters or at the mosque.”