BMX legend Dave Mirra died from a self inflicted gunshot wound at the age of 41. He won a lot of medals, and acclaim from his X Games performances.

I personally have to wonder if CTE will play into this like the deaths of Junior Seau and Dave Duerson.

http://www.usatoday.com/story/sports/actionsports/2016/02/04/bmx-star-dave-mirra-dies/79848494/

RIP