When Korsak is joking about making love to his ex-wife, he turns to his side with his hand outstretched. He's then immediately shown with his hand in his pocket.
Maura takes a swab from Tommy to determine the baby's paternity. The trouble is Tommy shares his father's DNA so the test would be inconclusive. A better test would have been to get a swab from Angie.
Tommy says Lydia named the baby Thomas Sparks Jr. A child can only be a junior if he has the same first, middle, and last name as the father. Since TJ has Lydia's last name, he can't be a junior.
A carbon monoxide victim should have a deep, cherry red, flushed skin color.
Korsak and Dana haven't seen each other in decades, so long that he doesn't even recognize her. How does she have his cell phone number?