Deb discovers Lumen's sunglasses in this clip from the episode "Everything is Illuminated." It showcases Dexter and his sister packing up his old house.
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Complete with Spanish sub-titles, this is a clip from the episode "Everything is Illuminated." In it, Deb gets an earful about her plans to pick up the bad guys.
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Dexter wants to commit murder on this episode, while Lumen actually does. Get an early look at the episode of Dexter titled "Everything Is Illuminated."
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Dexter Season 5 Episode 6 Quotes

Lumen: Why do you have that in your purse?
Dexter: It's not a purse.

I can't get revenge for Rita's death, but I can help Lumen avenge what was done to her.

Dexter