There is never a dull moment in Anthony Campbell’s life. The licensed private investigator searches every day for someone or something throughout California and Mexico. It could be to help solve a homicide, provide high risk process serving, follow a cheating spouse or find lost loved ones.Recently, Campbell worked to locate a father’s missing daughter after 36 years. Dennis McCarthy had not seen his daughter since she was 4 years old, Campbell explained.“I stopped at Rainbow Oaks for gas one day, and someone there told this older guy that I was a PI,” Campbell said. “He started talking to me telling me he hadn’t seen his daughter since she was 4.”After a painful split with Shannon’s mother, McCarthy took off and came to San Diego where he found success in the c.