(Kenton Co, KY) After a year long investigation into his computer activity, Kenton County police arrested 40-year-old John Kamphaus around 3 a.m. Wednesday. Investigators say he tried to arrange a meeting for sex with an officer posing as a 15-year-old girl on-line. Kamphaus is a corrections officer with Hamilton County. He has been placed on unpaid administrative leave pending an investigation by Hamilton County Sheriff's Office Internal Affairs.  Kamphaus was in court Wednesday. His bond was set at $2500.