'Sister Wives' star Garrison Brown's official cause of death revealed

The Coconino County Medical Examiner confirmed Garrison Brown's cause of death to be suicide, Fox News Digital can confirm.

Garrison, the son of "Sister Wives" stars Kody and Janelle Brown, died from a gunshot wound to the head, according to the final autopsy report obtained by Fox News Digital.

"Ethanol intoxication," or alcohol poisoning, was found to be a contributing cause. Garrison's blood alcohol content was found to be 0.307%. The legal limit for alcohol intoxication is 0.08% in the United States.