article_snippet.sent: parolee John McCallum had first been eligible for parole in September 2013 but was held longer because authorities thought parolee John McCallum needed to complete a violence prevention program.
article_snippet.sent: Yet parolee John McCallum was released just months later, after the Michigan Department of Corrections decided parolee John McCallum successfully passed a violence prevention program.
highlights_snippet.sent: It was later revealed John McCallum was a recent parolee with a long rap sheet .
  