On the hit television series “CSI,” forensic scientists use state-of-the-art technology to discover with little doubt why and how a person died. In real life, it?s not so easy. TV is not reality.

It?s difficult at times to categorize someone?s death as a homicide, a suicide, an accident or simply natural causes, said State Medical Examiner Dr. David Fowler. In Maryland, almost one of 10 deaths investigated by Fowler?s team fall into a category that sounds downright mysterious, according to his latest annual report.