Marsha Dietlein

The team investigate after an unstable woman stops taking her medication and hits 10 people with her car.

A teen girl dies after she is seemingly pushed in front of a subway car by a homeless man; Frank is irritated by having to meet with the new inspector general.

When Logan and Barek investigate a series of home invasions that result in grisly murders, their search leads them to a local foster mother.

Nichols and Wheeler investigate the world of high finance after a financial officer of a Wall Street securities company is found stabbed at a dinner gala.

Issues between Ben and Serena surface when his mother visits; Russell risks alienating Raina by resolving to destroy Chuck's family legacy.

Briscoe and Curtis probe the shooting of a well-known newspaper columnist and find themselves re-examining a closed murder case.