Conversation so far:
What is is connection with Mary Landrieu?
O'Keefe stated that he had entered Landrieu's office to investigate complaints that she was ignoring phone calls from constituents.
What did he do once he entered the office?
O'Keefe and colleagues were arrested in New Orleans in January 2010 and charged with entering federal property under false pretenses.
Did they take video recordings of the office?
CANNOTANSWER.

Question: Was he found guilty?
Self-contained rewrite: Was O'keefe found guilty of entering federal property under false pretenses ?