Since leaving CSI in 2014, Guilfoyle has appeared in multiple TV projects, including series like The Good Fight, The Morning Show and Evil. In 2015, he returned for the two-hour series finale, CSI: ...

This week on CSI: Vegas, Gil Grissom returned to the fold, doing what he does best: following the evidence and workshopping Hallmark card-like idioms about science being the only knowable truth.

CSI: Vegas may have a big problem to solve when it returns for its third season with the matter of whether one of the Crime Lab’s own, Josh Folsom (Matt Lauria), killed the man who murdered his mother ...