Brian Oblak

Sometimes life will surprise you.

While investigating a building collapse, Lightman discovers a massive cover-up; a billionaire asks the team to determine if his girlfriend loves him for the right reasons.

Prentiss and J.J. are faced with important decisions to make about their futures as the BAU travels to Texas to investigate a series of murdered businessmen.

As the birth date of her triplets quickly approaches, a frazzled and emotional Rebecca forgets Jack's birthday. Dr. K struggles with the loss of his wife and wonders how he'll be able to continue on with his life without her. Joe - the firefighter who delivered baby Randall to the hospital - fights to save his marriage.

The team must investigate two crimes at once when a mysterious energy field seems to be the cause of a billionaire's disappearance and the death of his limo driver.

With no corpse to process, the CSI team has to treat a murder as a missing-persons case when a man's body disappears after falling 52 stories.