period between 2:50 a.m. and 4:50 a.m. gathering all of the cell phones and also the cell phones moving in the direction of white hyundai elantra that really narrows your talk. and another thing, while we are talking about technology, i think the net needs to widen regarding the technology used to get video. i want to hearken back to the case of a missing connecticut mom of five. jennifer dulos. the police there in that little town put together an incredible video montage using public buses that open the doors and you see the husband go by in his car from streetlights to toll booths with and they got what they needed to identify a killer. i don t think that has been exhausted to this point. steve: sure. you make such a good point about the cell phone tower data. essentially they can look at a certain they can look at all the phones in an area and then