This is How it Ends by Eva Dolan
Only a few residents remain in the once crowded apartment building, refusing the developer's offers to buy them out, knowing that their days there are numbered. A party in the building ends with a man's body in one of the vacant units and two of the protesters disposing of him down an elevator shaft. Its bleak setting sets this thriller apart from others I've read. The plot moves slowly, but it's definitely got atmosphere.
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