WASHINGTON (CNN) -- Two people are expected to be charged Wednesday in connection with the bizarre 2003 case in which a pizza deliveryman died after a collar bomb attached to him exploded, CNN has learned. Brian Wells died August 28, 2003, in Erie, Pennsylvania, after he claimed gunmen grabbed him, locked the bomb around his neck and ordered him to rob a bank. Police detained him following the robbery, and the device exploded as he waited on the pavement. A bomb squad was en route to the scene but did not arrive in time. Authorities have not said whether they...