technicians were tracing pings when the phone was in use. those are the electronic connections made when a phone hits a particular cell tower, and that gave investigators a general idea where quinn might have been held fbi agent tony kravit was selected as the lead crisis negotiator for the bureau. >> we're tracking the phone and thinking we've got some leads. >> agents felt they were making progress, but suddenly the phone was also pinging farther away. the kidnappers and quinn might have been on the move. sheriff's detective howard cole was sent in pursuit. >> it was believed that quinn gray's cell phone was being tracked to an area west of orlando. >> but something had gone wrong. before tracing the calls, investigators had to get a judge's approval and in the rush to fill out the proper paperwork, someone made a small, but critical error. >> when they actually went to get the order signed by a judge,