Highlights from the Second Episode of Season 3 of NCIS: LA

The NCIS team, Special Agent Sam Hanna (LL COOL J) and Special Agent G. Callen (Chris O'Donnell) joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

Special Agent G. Callen (Chris O'Donnell) and the NCIS team, join forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

The NCIS team, Special Agent Sam Hanna (LL COOL J) and Special Agent G. Callen (Chris O'Donnell) joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Heidi Marnhout guest stars as Heather Marcum. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved. Winning caption by Katie F.

Special Agent Kensi Blye (Daniela Ruah) and The NCIS team, join forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

Behind The Scenes: The NCIS team, Marty Deeks (Eric Christian Olsen) and Special Agent Kensi Blye (Daniela Ruah) joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Heidi Marnhout guest stars as Heather Marcum. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

The NCIS team, Special Agent Sam Hanna (LL COOL J) and Special Agent G. Callen (Chris O'Donnell) joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

Special Agent Kensi Blye (Daniela Ruah) and The NCIS team, join forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Heidi Marnhout Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

Special Agent Kensi Blye (Daniela Ruah) and The NCIS team, join forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Heidi Marnhout Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

Special Agent Sam Hanna (LL COOL J) and the NCIS team, join forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Photo: MICHAEL YARISH/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.