Season 2 Episode 1&2: Inside the hatch Desmond tells Jack
"Lower you gun or I will blow his damd head off Brother"
Desmond steps out from behind Locke leaving Jack speachless.
Season 2 Episode 3 we see the same scene (but it change's)
Desmond tells Jack "Lower you gun or I will blow his damd head off"
Jack shouts "Were's Kate"
(Desmond dose not say Brother and Jack Shouts)