Post Mortem is the fourth episode of Season 7. It aired on June 20, 2016.
When a mailman is killed, the team must work with a brash, eccentric postal inspector, who believes the mailman's murder is part of a larger conspiracy. Maura continues to struggle with the ramifications of her injury, and Angela intervenes when she discovers Korsak has gotten Kiki a terrible birthday present.
- Angie Harmon as Detective Jane Rizzoli
- Sasha Alexander as Dr. Maura Isles
- Jordan Bridges as Officer Frankie Rizzoli, Jr.
- Idara Victor as Nina Holiday
- Bruce McGill as Detective Vince Korsak
- Lorraine Bracco as Angela Rizzoli
- Adam Sinclair as Kent Drake