Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7D11 Safari/528.16)
As has been mentioned before checking ID has nothing to do with security. All of the 9/11 hijackers had ID, so did Timothy McVeigh.
Everyone has atleast one ID so what's the point of checking it every 10 seconds.