LGBTQ persons and others with gender fluidity are particularly vulnerable to grooming and being manipulated because of social isolation and a sense of shame and alienation many feel. Many lack familial or other support, adding to their vulnerability.
From the Office for Victims of Crime (summary)
From the Polaris Project (summary, resources)
"Sex Trafficking and LGBT Individuals: A Call for Service Provision, Research, and Action" (Martinez, Kelle) (article)