He probably sought out jobs with a sexual component to gain access to victim's private lives for perverse reasons, and to misuse his job to commit sexual crime or some sort of misconduct. You often hear about cops disrespecting and laughing at SA victims who come to police.

There is a neighbor on Facebook whose profile is her in a police uniform arguing that "children should be encouraged to approach police with any concerns, because if they can't trust police, who else should they trust."