This sounds alot like Richard Jewell. The MSM and FBI had an actual hero guilty. They even consficated his Mother's tupperware.
Stories like this makes me wonder what the real story is.
Did they FBI ever get the real bomber in the Jewell/Olympic incident? If so, was he actually convicted? My memory is going southbound.
I can't find any Arizona Guard website and the only mention of Kalen Riddle on any search engine is about this incident. A bit odd for a supposedly well-known Nazi.