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(CNN) – Sgt. Jonathan Westbrook was one of the 16 people wounded after a shooter went on a rampage at Fort Hood. He was shot four times. After being treated for his injuries, Westbrook was discharged from the hospital on Friday.
"He is doing really, really well," says his sister, Armetra Otis.
Otis says her brother did not know the shooter, Spc. Ivan Lopez. But he was unfortunately in the wrong place, at the wrong time. Westbrook was at work, when Lopez came into the office, asked for a leave form, and was told to come back later.
"Apparently he, I guess, didn't want to hear that. So he came back and he just opened fire into the office, on everyone," Otis said in an interview with CNN's "The Lead with Jake Tapper."
"Lopez came in and he shot the first guy he saw and killed him, and then turned the gun on my brother and he was shot four times," says Otis.