Blount County Deputies have removed another sex offender off the streets. 50-year-old Frank Delmar Raines has been charged in the rape of a 17-year-old female and with violating sex offender’s registry. An investigation began in mid-October after the victim’s mother said that Raines contacted her daughter several times expressing interest in her. During the investigation, it was discovered that Raines allegedly forcibly raped the teen in September at a location on Thornhill Drive. Raines has a lengthy criminal history dating back to the mid-90’s.