I think what would I do next if, as in his case, he goes to...

I think what would I do next if, as in his case, he goes to look at the place where a serial killer lived and indeed buried his victims and instead of finding this very squalid and sinister street he finds it's all gone and the whole place has been turned into a very pretty little enclave of small, pretty houses and gardens and trees and flowers and cobbled streets.