A seven-week investigation was led by Broward County Medical Examiner and forensic pathologist Joshua Perper in conjunction with Seminole police and several independent forensic pathologists and toxicologists. Perper announced that Smith died of "combined drug intoxication" with the sleeping medication chloral hydrate as the "major component." No illegal drugs were found in her system. The official report states that her death was not considered to be due to homicide, suicide or natural causes. The full investigative report has been made public and can be found online. Additionally, an official copy of the autopsy report was publicly released on March 26, 2007, and can be found online.