The woman, who is not being identified, is facing two counts of second-degree child abuse and two counts of unlawful imprisonment. She remains hospitalized and had not been arraigned Thursday afternoon.
Besson, who was an officer from 1989 to 2011, allegedly paid Groulx $105 for 26 copies of crash reports sometime soon after April 25, 2013, and delivered them to an unidentified third suspect.
Bay City Western High School and Middle School both closed Thursday due to a possible threat.
The latest robbery happened around 1:55 p.m. at the Chemical Bank branch at 3501 S. Linden Road behind the Art Van Furniture store at Miller and Linden roads.