why aren't we just looking at bones?

尸体为什么没只剩下骨头呢
Good question. My guess is that

问得好我猜
there was a toxin in the flesh

可能是因为肉内含有毒素
that probably repelled them.

从而赶走了动物
These circles on his back are definitely manmade.

他背上的这些圆点肯定是人为的
It reminds me of the marks you get from cupping in holistic therapy,

让我想起理疗时拔火罐留下的印记
except the diameter's too wide.

但这些印记大得多
Are they lividity marks?

这是尸斑吗
It's TBD on the prelim M.E. report.

法医的预备报告中写的是待定
There's really not a lot here on either case.

两个案子都没多少线索
Which is why we need to start from the beginning.

所以我们得从零开始调查
Let's head to South Dakota.

启程去南达科塔州