The CSI team has a problem after learning the family is deaf: now they have to find a new way to catch the killer. Meanwhile, more information is given on Lindsey's horrifying past and what led her to become a CSI.

Amber Stanton, Garrett Strommen, Greg Zola, Jaclyn Kerhulas, Jerry Ferris, Lisa Marie Zaura, Marlee Matlin, Russell Havard, Sasha Cohen, Spero Dedes, Steve Edward Stone, Troy Kotsur