First Look: High Tech, High Stakes On NCIS: Los Angeles

Eric Christian Olsen as Marty Deeks and Daniela Ruah as Kensi Blye

1. Eric Christian Olsen as Marty Deeks and Daniela Ruah as Kensi Blye

The team investigates the murder of tech entrepreneur turned venture capitalist who secretly developed a daemon, a background computer program that allows for undetectable data collection, on "Angels & Daemons.”
 Daniela Ruah as Kensi Blye and Eric Christian Olsen as Marty Deeks

2. Daniela Ruah as Kensi Blye and Eric Christian Olsen as Marty Deeks

"Angels & Daemons” (Episode 13, Season 7 of NCIS: Los Angeles)
Eric Christian Olsen as Marty Deeks

3. Eric Christian Olsen as Marty Deeks

"Angels & Daemons” (Episode 13, Season 7 of NCIS: Los Angeles)
LL COOL J as Sam Hanna

4. LL COOL J as Sam Hanna

"Angels & Daemons” (Episode 13, Season 7 of NCIS: Los Angeles)
Chris O'Donnell as G. Callen

5. Chris O'Donnell as G. Callen

"Angels & Daemons” (Episode 13, Season 7 of NCIS: Los Angeles)
LL COOL J as Sam Hanna and Chris O'Donnell as G. Callen

6. LL COOL J as Sam Hanna and Chris O'Donnell as G. Callen

"Angels & Daemons” (Episode 13, Season 7 of NCIS: Los Angeles)
LL COOL J as Sam Hanna

7. LL COOL J as Sam Hanna

"Angels & Daemons”(Episode 13, Season 7 of NCIS: Los Angeles)
Chris O'Donnell as G. Callen

8. Chris O'Donnell as G. Callen

"Angels & Daemons”(Episode 13, Season 7 of NCIS: Los Angeles)