Guilty by Association (слэш)

While investigating the homicide of a John Doe who he suspects might've been murdered while working the streets as a prostitute, Detective Erik Lehnsherr finds an unexpected ally in a hooker named Charles who seems as determined as he to solve the case. As they become more deeply involved both with the case and each other, there's just one thing that Charles neglects to mention -- that he's really an investigative journalist, one quickly convinced that what they're dealing with is more than simple murder. cop!Erik, fake-hooker-slash-reporter!Charles, Modern AU.