Victims depicted in images, videos were as young as ‘infant/toddler’ age, deputies Broward County deputies arrested a certified behavior analyst at his Pompano Beach home Tuesday after they said details from an informant led them to find more than 100 files of child sexual abuse material in his possession. The suspect specialized in working with children, they said. Hernan Ruf, 50, founded the Oakland Park-based clinic Behavioral Works. His biography describes him as a native of Argentina and said he “work(ed) closely with the school district,” not identifying any specific district.  The company is no longer active but his...