Was Mateo Diaz playing the team?
That was revealed on NCIS: New Orleans Season 5 Episode 8 when the team placed him in protective custody after it emerged the high-school gang member-turned-informant was in danger.
With the death of his junior reserve officer being ruled as murder, the team worried he could be next.
However, Pride turned to his brother Jimmy to help gain Mateo's trust.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.