After a year and half of investigating, the top U.S. aviation investigator formally determined that Boeing and its chief regulator were to blame for the Alaska Airlines blowout.

ELKO — A federal report included a witness account of the American Medflight plane crash on Nov. 18, which killed all four people aboard.

In both life and death, Amber Graf and Sarah Breslin were together. The fun-loving Clarence High School graduates were heading away from home on Clarence Center Road at about 1:40 ...