Think she might have been working on this project: U.S. Pinpoints Top Al Qaeda Financiers ? One of the articles about Franklin's murder just happened to mention that the FBI is involved in this project.
2) NIPC in the entirety is supposed to be placed under Homeland Security.
3) She could have been working anything relating to cybercrime, as NIPC is a part of the FBI. That could include Nigerian bank frauds, cyber-extortion, hacking attempts into banks, or offshore gambling frauds. Literally, it could have been anything.