Mass. Gen. Laws ch. 190B § 5-107
The court shall not appoint as guardian any person petitioning for guardianship who: (i) is currently being investigated or has charges pending for committing an assault and battery that resulted in serious bodily injury to the minor, incapacitated or protected person; or (ii) is currently being investigated or has charges pending for neglect of the minor, incapacitated or protected person. The court shall terminate a guardianship appointed under this section if, upon petition, it is established that the guardian is: (i) currently being investigated or has charges pending for committing an assault and battery that resulted in serious bodily injury to the minor, incapacitated or protected person; or (ii) is currently being investigated or has charges pending for neglect of the minor, incapacitated or protected person.
Mass. Gen. Laws ch. 190B, § 5-107