[s5e9] Lies Of Omission Link

Theo claims Stiles brutally murdered Donovan in cold blood.

She is bleeding mercury, a sign that she is next on the Doctors' list. [S5E9] Lies of Omission

While the pack falls apart, the continue their experiments, and things are looking grim for the Chimeras. Theo claims Stiles brutally murdered Donovan in cold blood

Scott believes Theo over his best friend. He refuses to listen to Stiles’ side, leading to a rift that feels like the end of the pack. The Chimera Crisis the continue their experiments

Both are identified as "failures" and executed by the Doctors.

Parrish has been subconsciously stealing the bodies of the failed Chimeras and taking them to the ancient stump.