The original CSI: Crime Scene Investigation star Marg Helgenberger gives a look into Catherine Willows' return ahead of her appearance on CSI: Vegas season 2. 

Helgenberger played the role of the crime scene detective over 12 seasons of the original CBS crime drama. 

She also was featured in an important episode of season 14. 

The original show was ended in season 15 in the year 2015, the universe continues to be explored in the sequel series CSI: Vegas.

Rigorous CSI: Crime Scene Investigation actor Marg Helgenberger offers a peek of Catherine Willows' return ahead of her appearance on CSI: Vegas season 2. 

Helgenberger played the crime scene detective throughout twelve seasons of the first CBS crime drama and appeared in an important episode of season 14. 

The original show ended after season 15 in the year 2015, the universe is reborn in the sequel series CSI: Vegas.

In Her Instagram page, Helgenberger shares an image from the set of CSI: Vegas, giving viewers a glimpse of returning Willows.

In Her Instagram page, Helgenberger shares an image from the set of CSI: Vegas, giving viewers a glimpse of returning Willows.