 Due to the Oklahoma City bombing on April 19, 1995 the FBI increased its scrutiny of militia groups in the Southwest with a particular interest in Oklahoma and Texas.In May, 1995 Schrum (aged 50) "a veteran law enforcement officer with 20 years' experience, mostly with the Tulsa Police Department" volunteered to assist the government.By July he had joined Lampley's church as an informant for the FBI.