Goran Ivanovski

When an off-duty diplomatic security agent is fatally shot in New York City trying to apprehend someone, the team investigates if there's a connection to his time working in Croatia.

CSI is called to investigate a banquet celebrating the sale of a university-developed medical technology to a defense contractor, after a number of guests suddenly grow ill, with three people dying.

This episode serves as the culmination of Catherine's pursuit to track down those that murdered her friend, Grace Huang. Catherine finds Mikel Koslov in Bulgaria and convinces him to come back to Vegas with promises of an immunity deal.