Madeleine Donohue

After a tragic accident, one of Joan's oldest friends is rushed to Minneapolis to be treated by her, forcing Amy to confront her about her illness. Richard and TJ find themselves at odds when they treat a tech bro who thrives on pushing boundaries. Michael tries to pick up the pieces in the wake of his fractured marriage.

When a highly-trained sniper sets booby traps and shoots someone at a city landmark that's in the process of being demolished, the SRU team is called in to identify him.