Short stories by K. Ceres Wright
Listing 2 stories.
The protagonist is instructed to receive money from a hustler in order to help a tinkerer get rid of the Tell in people's bodies. However, the authorities find them first and now she must escape in order to complete the mission.
A Black female spy has the ability to physically transform into whoever she wants, but her mental shifts are proving to be much more difficult. While on an assignment in China, she begins to crack under the pressure, leading to disastrous results.