First Look: Criminal Minds, Season 11, 'The Witness'

'The Witness'

'The Witness'

When a Los Angeles bus is attacked with sarin gas, the BAU must act quickly to find the suspect before a larger-scale incident occurs, on Criminal Minds, Wednesday, Oct. 7 (9:00-10:00 PM, ET/PT) on CBS. Guest stars include Marisol Nichols (NCIS) as FBI Agent Natalie Colfax, who assists the BAU with the investigation, and Tim Kang (The Mentalist) as Charlie Senerak, a medical supply worker.