Their investigation was done by the police station that was part of the jurisdiction that Wally and Barry were a part of as county police experts.
In the midst of investigations, they found out about her contacts, according to witnesses, they were religious, I mean, her father was religious, she pretended to be a saint, but one day her mother found her diary in her room. which detailed sex with one of her father's employees.
The problem was that she was a minor, the second problem, the man in question was older, had children and was married, this generated a fight, which led to threats, which made them leave their jobs, in addition to rumors all over the city.
Being that in the end it would reveal to suffer from multiple personalities, that's when Wally defeats him at the end of that week, so, it was wonderful, not in the violence, but in inspiring the Element's alter ego to control his evil personality.