LEFT: Kevin Alfred Strom, 59, smiles sheepishly for the camera in this photo, taken by his federal probation officer in 2015. The image is included in Strom’s sex offender registry file in Pennsylvania. RIGHT: “Not Exactly Mr. Rogers”: Looking whimsical and friendly, in 2007 investigators reported this photo was among the odd “selfies” Kevin Alfred Strom would email to parents of the children at the private Christian school his step-daughter attended.