Bits and pieces coming out...
“He had attempted to join the Marine Corps in January, but was disqualified from serving ... She declined to specify why he was disqualified”
https://www.washingtonpost.com/nation/2020/08/27/kyle-rittenhouse-kenosha-shooting-protests/
Mental, physical, other background history? they don’t say why he was denied
age? (dob 1/03) no hs diploma yet?