And Jonathan Togo hung up his badge as CSI Ryan Wolfe on the popular CBS spinoff of CSI: Crime Scene Investigation.

Plus, how Drew compares to 'CSI: Miami's Ryan and the part of his character's story he learned at the read-through.

Below, Jonathan Togo reflects on Drew’s arc, compares him to CSI: Miami ‘s Ryan Wolfe, and more. How much of Drew’s arc had you known when you signed on?

Below, Jonathan Togo reflects on Drew’s arc, compares him to CSI: Miami ‘s Ryan Wolfe, and more. How much of Drew’s arc had you known when you signed on?