Security Checks? 485pending

I got reply about my pending 485 from USCIS

"Security checks are being conducted in conjuction with your case. We cannot take any action until the security checks are complete."

What's this mean? Is USCIS or FBI carrying out the checks now? Normally how long can they finish these checks?

Thanks very much for your kind reply.

所有跟帖： 

• 我等了十六个月了，还在等那个该死的CHECK，等得花儿都谢了 -面试都过了，就不盖章- ♀ (0 bytes) () 12/21/2004 postreply 13:10:18

• 回复：Security Checks??? 485pending -samehere- ♀ (26 bytes) () 12/21/2004 postreply 14:09:51

• My case pendinhas been 35month -badluck- ♀ (0 bytes) () 12/22/2004 postreply 07:33:24