'NCIS': Is Kasie's Lifelong Best Friend a Murderer? (PHOTOS)

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Institutionalized
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Institutionalized
Erik Voake/CBS

There’s nothing like a cute dog to make an agent smile during a murder investigation.

Institutionalized
Erik Voake/CBS

Did they find evidence on the dog?

Institutionalized
Erik Voake/CBS

What’s in the dog house?

Institutionalized
Erik Voake/CBS

Kasie (Diona Reasonover) and Dante Brown (Devale Ellis)

Institutionalized
Erik Voake/CBS

McGee (Sean Murray) and Torres (Wilmer Valderrama) lurking

Institutionalized
Erik Voake/CBS

He probably won’t need that gun.

Institutionalized
Erik Voake/CBS

Gibbs (Mark Harmon) and Kasie

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Kasie can only watch.

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Dante’s arrested.

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Gibbs

Institutionalized
Michael Yarish/CBS

What’s in the folder?

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Michael Yarish/CBS

Gibbs and McGee interview prison guards.

Institutionalized
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It looks like this is an episode for dog lovers!

Institutionalized
Michael Yarish/CBS

McGee and Gibbs

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Kasie

Institutionalized
Michael Yarish/CBS

Kasie visits Dante

Institutionalized
Michael Yarish/CBS

What doesn’t Kasie know about her best friend?

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How much does Kasie (Diona Reasonover) know about her lifelong best friend, Dante Brown (Devale Ellis)?

That may very well be the question for the November 5 episode of NCIS, "Institutionalized." After a petty officer's son is found murdered at his "welcome home from prison" party, evidence — perhaps collected from the dog or the dog house seen in the photos? — suggests Dante is a suspect.

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But is her best friend a killer? What will the evidence tell Kasie? Click through the gallery above for a sneak peek at the investigation.

NCIS, Tuesdays, 8/7c, CBS