Madison Arnold

The detectives believe that someone is murdering hospital patients and find that tainted medication is leading to the deaths.

When nine flu victims suddenly die, Green and Fontana learn that all had been injected with a fake vaccine, which leads to the arrest and prosecution of a longtime con man.

Horatio goes to New York to work with his counterparts on a murder investigation. Guest star Gary Sinise.

After a woman is found dead in her apartment, detectives investigate her personal contacts, including an employer (Kate Burton), in search of suspects.

Detectives investigate when a baby is left abandoned with a note indicating the mother's kidnapping and quickly learn that she has been kidnapped by a copycat serial killer.

Liz works to prove to Tracy that women are funny while simultaneously attempting to head off a meltdown from Jenna after some negative publicity. Jack tries out an unconventional dating strategy.