Detailed text transcripts for TV channel - KGO - 20130705:09:38:00
>> in michigan search crews spent hours searching lake erie for a man who is being called a hero. the man jumped into the lake to help an 8-year-old boy that went in the water without a life vest. with the help of a boater he was able to save the boy. the man disappeared. >> back to work in the murder trial of george zimmerman. charged with the 17-year-old trayvon martin. prosecutors tried to wrap up their case wednesday. it is expected that will happen today. then defense attorneys can ask for dismissal of all or some charges against zimmerman. >> when we think of independence day, we often t...