Guest Leader - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Kilbride and NCIS track down the tech before it's taken out of the country.
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Helping From Ops - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Nell, Fatima, and NCIS track down the tech before it's taken out of the country.
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Leading Investigation - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Kensi and NCIS track down the tech before it's taken out of the country.
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Coordinating Hunt - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Nell and NCIS track down the tech before it's taken out of the country.
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Searching for Weapons - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Fatima and NCIS track down the tech before it's taken out of the country.
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Urgent Search - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Sam and NCIS track down the tech before it's taken out of the country.
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Seeking Tech - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Callen and NCIS track down the tech before it's taken out of the country.
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Helping With the Search - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Kensi and NCIS track down the tech before it's taken out of the country.
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Stolen Tech -- Tall - NCIS: Los Angeles Season 12 Episode 16

When military-grade technology is stolen, a deaf engineer, Sienna Marchione, who is the only member of her team to survive the theft, helps Kensi and NCIS track down the tech before it's taken out of the country.
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Stolen Tech - NCIS: Los Angeles

Kensi and the team work with a deaf engineer to retrieve some stolen tech on NCIS: Los Angeles. "Signs Of Change" is the 16th episode of the show's 12th season.
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NCIS: Los Angeles Season 12 Episode 16 Quotes

Deeks: Why are you ignoring my partner?
Sienna: I wasn't ignoring her. I couldn't hear her.

Sam: Where the hell is Hetty?
Nell: Get in line, my friend. Get in line.