Coroner's Report Reveals Multiple Substances in Utah Mother and Daughter in Las Vegas Murder-Suicide
Autopsy reports from the Clark County coroner indicate that a Utah mother, Tawnia Hope McGeehan, 34, and her 11-year-old daughter, Addilyn Smith, had multiple substances in their systems at the time of their deaths in a murder-suicide at the Rio Hotel and Casino in February. McGeehan died from a gunshot wound to the head, ruled a suicide, while Smith also died from a gunshot wound to the head, ruled a homicide. Toxicology tests found quetiapine, diphenhydramine, gabapentin, and lorazepam in Smith's blood, along with presumptive caffeine. McGeehan's report listed these substances plus eszopiclone or zopiclone, citalopram or escitalopram, desmethylloperamide, cannabinoids, and caffeine. Handwritten notes found in the hotel room suggested Smith had been "very medicated." The medical examiner did not attribute the deaths to these substances. The incident occurred while they were in Las Vegas for Smith's cheer competition, and police believe McGeehan shot her daughter before herself. A lengthy custody battle be...