s tracking.why authorities now need warrants to use the technology... and how it could affect their search for suspectss anddeevironmentalists test water samples... to determine the cause of tourettesork. why thhy're narrowing in... on a 1970's disaster.you're watching fox 3 new this morning... water and soil samplee in uustate new york... to determine whhtts causing an outbreak of tturettee-like symptoms among teenage ggrls. at least 17 teens ave recentll mysteeiouslyy develooeddunconttollld verbal outburrts nd twitching... and ddctoos can't explain why. environmental activist erin bbokovich is now involved... looking into whether a 1970 train derailment could bb a reason ffr the illness. mitt romney is campaigning hard in florida... ahead of tomorrow's rrpublican show him with a double digit leaddover his rivals.but it's been newt gingrich who has gotten ssme major endorsements former ---p candidate herman cain... and another from the tampa tribune. in a unanimous decision, he u-s supreme court issued, what could become, it's most significant decisson in recent years. unlawffl for law enforcement agencies to useegps technnlogy to earch for criminal suspects... without a warrant.