Watch 9-1-1: Lone Star Online: Season 4 Episode 4

What happened to Carlos?

On 9-1-1: Lone Star Season 4 Episode 4, the team reacted to his shocking disappearance.

Meanwhile, Owen decided to wear a wire for his meeting with O'Brien, further complicating his mission.

However, O'Brien was one step ahead of him with a daring plan.

Elsewhere, TK tried to come to terms with what happened to Carlos.

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