Home Movies for Bin Laden?

Just a reminder -- as if we needed one -- that this is deadly serious.

"The federal authorities, on heightened alert over the prospect of another Al Qaeda attack, are conducting a terrorism investigation into an illegal immigrant from Pakistan found with videotapes of downtown buildings and transit systems in four Southern states and of a dam in Texas, officials said on Tuesday.

"Officials acknowledged that they had no direct evidence linking the suspect, a former Queens resident named Kamran Shaikh, to terrorism. But they said they remained keenly interested in determining why he made the extensive videos, which included narratives in Arabic."