Why might forensic scientists find *N. americana* accumulating *around* a corpse sealed inside a container?

Answer

Because they cannot access the sealed resources but are drawn by volatiles

Forensic scientists might find *N. americana* accumulating around the outside of a sealed container because they are drawn by the volatiles of decomposition but cannot access the sealed resources inside.

Why might forensic scientists find *N. americana* accumulating *around* a corpse sealed inside a container?
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