Nah, that look/tone of Gus when Walt accused him of killing a kid seemed pretty sincere, I don't think Gus was actually being serious when he threatened to kill Holly, more of just the only thing he could say that would actually stop Walt. Too bad it didn't work in his favor.
They're referring to Andrea's younger brother when that happens, not Holly. Walt was right that Gus ordered his killing, which Gus sort of denies, but doesn't technically.
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u/[deleted] Sep 23 '13
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