Michigan Compiled Laws, Chapter 791. Department of Corrections § 791.231b

(a) The nature and circumstances of the offense for which the prisoner is incarcerated at the time of the parole consideration.

(b) The prisoner's institutional program performance, including whether or not the prisoner completed all required programming.

(c) The prisoner's institutional conduct, including the number of major misconduct charges for which the prisoner has been found guilty and security classification increases over the previous 5 years and the year immediately before parole consideration.

(d) The prisoner's prior criminal record and pending criminal charges or detainers. As used in this subdivision, “prior criminal record” means the recorded criminal history of a prisoner, including all misdemeanor and felony convictions, probation violations, juvenile adjudications for acts that would have been crimes if committed by an adult, parole failures, and delayed sentences.

(e) Whether the prisoner was previously granted parole and had his or her parole revoked.

(f) Whether the prisoner was identified in the federal combined DNA index system (CODIS) and linked to an unsolved criminal violation.

(g) Other relevant factors under the parole guidelines.