damaged there prior to this one. so it's making rescue efforts even that much more perilous. the united states is demanding pakistan immediately release raymond davis an american citizen identified as a secret team working in lahore. accused of murdering two mack pakistani men. under increase pressure, pakistan's government insists that the courts decide davis' fate. andrea mitchell reports. >> reporter: more protests in pakistan as crowds call for the death of raymond davis, the american who has been held in pakistan after fatally shooting two pakistani men in what american officials say was a botched robbery attempt. the u.s. has adamantly maintained that davis is a u.s. embassy employee with diplomatic immunity arousing suspicions, arrested with a glock handgun and other equipment. turns out davis worked for the cia, possibly as a contractor.