JOHNSTOWN — An elderly man appeared Monday on a video screen inside the University of Pittsburgh at Johnstown’s Living-Learning Center. From his appearance, he seemed like a typical senior citizen, possibly a grandfather. But his words were far from ordinary. He spoke about how he manipulated children and their families to create opportunities for sexual assault. “Not only did I groom my victims, I groomed their families,” the man said. The video was part of a presentation by Veronique Valliere, a psychologist and sexual abuse expert. She was in attendance at the annual ...