"Covenant" is a 2014 science fiction short story by Elizabeth Bear.
A former serial killer — the beneficiary of "rightminding", a process that cures psychopathy by forcibly bestowing empathy — finds herself in a very dangerous situation.
"Covenant" was a finalist for the 2015 Locus Award for Best Short Story.
[1] SF Signal considered it to be 'suspenseful' and 'fairly riveting', with '(a)n interesting premise'.
[2] Daniel Keys Moran stated that the story made him "wish [he] were a member of SFWA, so [he] could vote [for it] on the Nebulas.