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Nikki is the girlfriend of gangster Seamus Murphy.

Season Five[]

In Safe House, she had an appointment with Rosa Diaz, undercover as Gabriella Fuentes de San Miguel Estrada. She reveals that she has met up with Murphy every Friday after his wife went to bed, but that a few weeks ago he left town to stay in Rhinebeck, New York.

In order to get her to talk more, Rosa allowed her to both make, dye and perm her hair.