Reply #11: more info here:

[The Straight Story]

http://www.mariettatimes.com/news/story/new21_810200683105.asp

Mincks said Abulhassan and Houssaiky admitted to buying more than 600 of the phones in Ohio over the past few weeks.
....
“We know these cell phone chips are being used as a means for detonating roadside bombs and that people from Dearborn, Mich., are coming to this area to buy them,” Mincks said. “They’ve bought between 600 and 1,000 of these phones and they’ve giving phony names, had people poised as lookouts at businesses when they were buying them, and were evasive and lied when they were questioned about it by our officers. I think we can say for certain that something isn’t exactly right.”
....
Mincks said the men first told police the phones were for a family construction business. He said Abulhassan and Houssaiky later admitted they were taking the microchips from the phones and selling them to an individual in Dearborn. That individual, whose name was not released, is the target of an ongoing FBI terrorist investigation, Mincks said.