Complex sentence: In 2012 it was reported that Chapman had almost caught a senior member of U.S. President Barack Obama's cabinet in a honeytrap operation; a primary motive behind the move to round up the ten-person spy ring in which she was a member.
Split into simpler sentences: In 2012 it was reported that Chapman had almost caught a senior member of U.S. President Barack Obama's cabinet in a honeytrap operation. A primary motive behind the move to round up the ten-person spy ring in which she was a member.