Vietnamese news website has posted the leaked video of the upcoming iphone 5. It seems there will be finger print security scan built in home button
http://dantri.com.vn/c728/s728-639589/video-chinh-thuc-cua-iphone-5-bat-ngo-lo-dien.htm
http://dantri.com.vn/c728/s728-639589/video-chinh-thuc-cua-iphone-5-bat-ngo-lo-dien.htm