Cause of death revealed for Garrison Brown, son of 'Sister Wives' stars Janelle and Kody Brown

Edward Segarra, USA TODAY
TV personalities Meri Brown, from left, Janelle Brown, Kody Brown, Christine Brown and Robyn Brown speak during the "Sister Wives" panel during the Discovery Communications portion of the 2010 Summer TCA press tour at the Beverly Hilton Hotel in Beverly Hills, California, on Aug. 6, 2010. The cause of death for "Sister Wives" alum Garrison Brown (not pictured), who died in March at the age of 25, has been revealed in a new autopsy report.

A cause of death for "Sister Wives" alum Garrison Brown, who died in March at the age of 25, has been revealed.

Brown died of a gunshot wound to the head, according to an autopsy report obtained by USA TODAY from the Coconino County Health and Human Services Medical Examiner's Office. The manner of death was ruled a suicide.

In addition to the gunshot wound, ethanol intoxication (aka alcohol poisoning) was listed as a "significant condition" contributing to Brown's death. His blood alcohol level (BAC) was 0.307% according to an iliac blood analysis and 0.370% per a vitreous analysis. A BAC over 0.40% is considered "potentially fatal," according to Cleveland Clinic.

Flagstaff Police Department spokesperson Sgt. Jerry L. Rintala confirmed Brown's death to USA TODAY in an emailed statement March 5. Officers discovered Brown "deceased as a result of an apparent self-inflicted gunshot wound."

Rintala said there was no indication of foul play in Brown's death.

Garrison Brown dies: Son of 'Sister Wives' stars Janelle and Kody Brown was 25

Garrison Brown's parents, brother pay tribute to 'Sister Wives' alum following death

Brown's parents, Janelle and Kody Brown, mourned the loss of their son in a pair of emotional Instagram posts.

"Kody and I are deeply saddened to announce the loss of our beautiful boy Robert Garrison Brown. He was a bright spot in the lives of all who knew him," Janelle wrote in a March 5 post. "His loss will leave such a big hole in our lives that it takes our breath away. We ask that you please respect our privacy and join us in honoring his memory."

Brown's brother Hunter Brown paid tribute to his late sibling by sharing a carousel of photos with Garrison on Instagram. "'When tomorrow starts without me…'" he wrote in the March 26 post, referencing a David Romano poem.

"I have no eulogy to give or long caption for you to read. All I can say is that I love Garrison, and he has always been and will always be a huge part of my life," Hunter continued. "I will forever work at being better at enjoying every moment, big or small, with my loved ones. I would encourage you to do the same!"

Hunter Brown speaks out: Garrison Brown's older brother breaks silence on 'Sister Wives' alum's death

"Sister Wives" viewers first met Brown in 2010 during the first season of the TLC reality series, which has followed one of America's most famous polygamous families over 18 seasons.

If you or someone you know may be struggling with suicidal thoughts, you can call 988 any time day or night, or chat online. Crisis Text Line also provides free, 24/7, confidential support via text message to people in crisis when they dial 741741.

Contributing: KiMi Robinson and Naledi Ushe, USA TODAY

This article originally appeared on USA TODAY: Cause of death for 'Sister Wives' alum Garrison Brown is released

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