the entire mexican border in three years. >> richard stana: in fact, this was supposed to be all deployed by now, by 2008-2009. the entire southwest border was to be covered by s.b.i. >> kroft: but it hasn't happened? >> stana: no. we're still in the early stages. >> kroft: in fact, after three years and a billion dollars, they are still fiddling with the first 28 miles, with 1,972 to go. and that is just one of the problems >> stana: you know, when boeing first got the contract back in 2006, they made promises that they would be able to apprehend-- at least detect and apprehend-- 95% plus or minus 5% of all the incursions. >> kroft: that hasn't happened? >> stana: no. they promised camera range of ten miles. they promised radar ranges without clutter. >> kroft: and that didn't happen, either? >> stana: no. >> kroft: and that's not all. the software had bugs, some of the equipment proved unreliable in the heat and high winds of the desert. components would break, and maintenance proved to be an issue. according to the new project director, mark borkowski, part of the problem was that boeing and his predecessors at homeland securit