Julie St. Claire

Matt tells Kelly the truth about his wife; Dylan and Gina stage exotic trysts.

A policeman-turned-professor challenges Jessica to solve a series of campus muggings that soon escalates to murder.

The CSIs investigate when the parents of a baby sitter in an upscale neighborhood are murdered. As the team sorts through the neighbors' secrets and lies, they find an unexpected love triangle as a motive for murder. Meanwhile, a key piece of evidence found at the crime scene leads Horatio to expose a doctor with some dirty secrets of his own.

Zack (Mark-Paul Gosselaar) tries to impress a college girl by lying about his age.

A serial killer targets women from an upscale bar; Jones attempts to protect a boy from his violent father.

Quinn and Rembrandt get snared in a rare South American snake deal and wind up getting Maggie and Wade trapped during a rescue attempt.