At the C.A.R.C.A.S. facility, the scientists there had experimented on some Crawl, resulting in the Crawl spreading throughout the rooms they were in and producing some valuable assets for research, those assets being 7 Trimmings, 2 Meat Snakes and a Mimic. All 10 assets are about to be ready to separate from the Crawl.

One of the researchers was examining the nodes to make sure they had counted everything correctly when they spotted one that they hadn't counted yet - you.