. >> hello, my name is david shoar, your sheriff in st. johns county, florida. >> narrator: david shoar has been elected st. johns county sheriff three times, twice unopposed. >> our core values are non-negotiable: integrity and treating people with dignity and respect. >> narrator: the sheriff holds one of the most powerful positions here in the historic city of st. augustine. he is also one of the county's largest employers. >> my family, you know, worked for the sheriff's office. >> narrator: michelle's brother scott was a deputy. her mother, patty, worked there as a file clerk. and a year before she died, michelle met deputy jeremy banks. >> one of our brothers introduced michelle and jeremy, and at first, we were all happy. he was a deputy. you know, my mom was thrilled. >> he was in a policeman's uniform. that's what i first noticed was the policeman's uniform, you know, and i said, "she's found somebody who's going to protect her." >> but as the relationship progressed, and around the time that michelle moved in with jeremy, he disr