Marisa is an FBI agent and Dr. Mercer's ex-wife.
Marisa: Did you see his face? The plates?
Mercer: No, nothing.
Marisa: Whoever they were scared Benett so much that he would rather stay behind bars.
Mercer: He wasn't a lone wolf.
Marisa: Someone else is pulling strings, and whoever it is is still out there.
Marisa: That ability you have to completely divorce emotion from reason is both why I married you and...
Mercer: ... why you're longer married to me.