sentences:  On October 4, 2006, the two relatives whom Roberts said he molested 20 years ago told police that no such abuse had ever happened, throwing a new layer of mystery over the gunman's motive and mental state during the shooting.K-Y Jelly, a lubricant most commonly used for sexual intercourse, was also found in the schoolhouse among Roberts' belongings, possibly suggesting multiple motives for the incident.Roberts' suicide note also spoke of the anger he had held against God.