in this case, this young man 21 years old, john t. booker is charged with a whole host of other -- >> is he a convert to islam? do they say in that charge sheet how he was recruited, if you will? what inspired him to join this jihad -- >> yeah as a teenager he started referring to himself as muhammad abdullah hassan so he was a convert and was apparently inspired by looking at things online from various terrorist groups. that's typically where we see this behavior a lot with a lot of young people. it's not certainly very common for the fbi to come and talk to you and for you still a year later to be trying to plot this even when you know the fbi is watching. >> another disturbing story. this is 20 arrests so far -- >> 21. >> 21 arrests in the united states individuals accused of working or at least inspired to try to help these terror organizations in this particular