Joelle Carter

The team investigates the murder of a professional informant after he is found dead outside an abandoned factory, and Maggie reconnects with an old colleague and mentor.

The team members investigate the murder case of an unidentified `Jane Doe' who just succumbed to the complications from a gunshot wound that put her in a coma in 1989. They discover that she was a grifter with a male partner and many vengeful victims.

After a hooded man open fires on their patrol car, Roman is left wounded and Burgess takes off after the shooter and shoots when she finds him turning in her direction with a glimmer of silver in his hand.