What is the best source of information in cases of homicide and suicide investigations?

The county coroner's office serves as the best source of information in homicide and suicide investigations due to its primary function of conducting autopsies, determining causes of death, and collecting vital evidence related to these cases. Coroners are trained to handle cases of unnatural deaths, and they often work closely with law enforcement to ensure that the investigation is thorough and accurate. In addition, they maintain records and can provide insights into trends, statistics, and specific details about cases that are crucial for investigations and legal proceedings.

The other options, while they may play roles in the broader context of criminal justice or public health, do not specialize in the immediate investigative aspects of death cases. The health office, for example, may deal with general health statistics and public health issues but lacks the forensic focus needed for specific investigations. The state attorney general's office typically handles legal prosecution aspects, while the Federal Bureau of Investigation focuses more on federal cases and broader investigative areas, often stepping in only when a case exceeds local jurisdiction or involves federal crimes.