Who is Manus Kelley from Invisible Monsters and what is their importance?

Manus Kelley is Shannon's fiancé. Manus is a cop who met Shannon when he came to her parent's house one afternoon looking for Shane, hoping to follow up on a case he had worked some time in the past. Manus works vice while he is with Shannon. Manus' job is to catch men who solicit male prostitutes. However, after a time, Manus becomes too recognizable or old to attract these men. Manus becomes obsessed with making himself more attractive to these men, buying sexy clothes, studying homosexually-themed magazines, and visiting gay bars. Shannon is aware of all this, but believes it is only for his job.