Police in Tampa, Florida say they may have a serial killer on their hands after three people were found shot to death in less than two weeks in the same neighborhood. On October 9th police say 22-year-old Benjamin Mitchell was killed at a bus stop in Seminole Heights. Days later, 32-year-old Monica Hoffa's body was found in an empty field and about a week later 20-year-old Anthony Naiboa was also found dead.