The Oakland prostitution scandal has led to many thugs' resigning or pleading guilty. One is actually on trial.

My ethical analysis of all this:

It wasn't wrong for Celeste Guap to do sex work, and it wasn't wrong to be her customer.

If a thug compelled her to have sex by threatening to arrest her if she didn't, that was a form of rape.

If a thug convinced her to have sex by offering her information about operations, that was in effect taking a bribe from her, paid in the form of sex. It was wrong for the thug to take that bribe, and wrong for her to pay it; but those wrongs are overshadowed by the bigger wrong of arresting people for prostitution.