NEW : Michigan , Michigan investigators will see each other 's info in outbreak probe . Massachusetts attorney general : State grand jury on `` temporary pause '' but could be called back . Ortiz outbreak killed 22 people in Michigan in 2012 . It claimed 20 lives in 64 states .
NEW : Michigan , Massachusetts investigators will see each other 's info in outbreak probe . Michigan attorney general : State grand jury on `` temporary pause '' but could be called back . Meningitis outbreak killed 22 people in Michigan in 2012 . It claimed 64 lives in 20 states .