He shot two cops in a blaze of glory. But he survived after being shot. The massive man hunt would make it very difficult to hole up anywhere.
There is no doubt that people must have known what he was doing, especially his family. He was making multiple bombs, probably in his apartment above his family's restaurant. We will see if he was part of a cell.
Then again we may NOT find out if he was part of a cell. I guess we’d find out later.