This story discusses suicide. If you or someone you know is having thoughts of suicide, please contact the Suicide and Crisis Lifeline at 988 or 800-273-TALK (8255).Matt Brown’s official cause of death has been released.On Wednesday, the Okanogan County coroner’s office confirmed that Matt died by suicide, with “subsequent immersion in water” and “under the influence of methamphetamine” cited as contributing circumstances, according to People. He was 42.On Saturday, his brother, Bear Brown, took to social media to confirm Matt had been found dead after authorities had recovered a body from a Washington state river.’ALASKAN BUSH PEOPLE’ STAR MATT BROWN FOUND DEAD IN WASHINGTON STATE RIVER AT THE AGE OF 42″They found a body in the river a few hours ago, and it was positively identified as being Matt,” Bear said in a TikTok video.Bear confirmed their brother Noah was the one to positively identify Matt.”I would have never suspected he would have hurt himself, honestly. He struggled for a long time, as I’ve mentioned, and I worried he was going to end up, like, OD’d or something like that. I didn’t think he would hurt himself.”LIKE WHAT YOU’RE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWS”It does look as though the injury is self-inflicted,” he continued. “Obviously, the coroner and stuff still has to look at him and stuff, but I thought that you guys should know that it is him.”The Okanogan County Sheriff’s Office deputies responded Wednesday after receiving a 911 call from a witness who reported seeing a man sitting in a shallow section of the river, according to