He graduated magna cum laude with a Bachelor of Arts in music education from Oral Roberts University.
McCrostie taught music in Mountain Home and Boise, later starting work for Hewlett-Packard (HP) and providing title insurance.
McCrostie won the May 2014 Democratic primary against former NFL player Jimmy Farris and Jeff Stephenson with 52.6% of the vote.
Later, he issued a statement apologizing to family, friends, and supporters, saying he had "made a mistake" in taking the challenger's materials.
[9][10][11] McCrostie’s charge of misdemeanor petty theft was dismissed by Judge Thomas Watkins after he completed 30 hours of community service.