They (those charged) were thinking about the front-end approach.

People often use Internet trading accounts to try to conceal their trading activity. People don't realize with that there are different types of evidentiary trails being left behind.

What's striking about this case is these guys thought about and sought every insider trading scheme they could get their hands on.

All of these seemingly unrelated people were trading in the same stocks. They were lesser known stocks one wouldn't expect them all to be trading together.