Hi Anne, I'm not denying that Asian women are sexualised, in this case, the killer specifically visited this establishment to have sex with these women. But I don't think that the fact that he happened to frequent an Asian business, or even the possibility that he found Asian women particularly attractive (this is pure conjecture, I have no evidence for that), is racism.
I think it's a mistake to conflate sexual attraction with fetishisation, otherwise how can we legitimately be attracted to people who aren't of the same race? That's not to say that fetishisation doesn't exist of course, I've experienced it myself, but I don't think it's legitimate to presume it always because it exists sometimes.