POLK COUNTY, Fla. – A registered sex offender who was convicted in Hardee County in 1991 for a sex offense against a child was arrested yesterday by the Polk County Sheriff’s Office Special Victims Unit for lewd molestation of two young victims in Polk County. The investigation began when one victim disclosed to a family member that 58-year-old Jessie Valdez of Bartow had touched the victim’s private parts numerous times under and over her clothing when she was as young as seven and eight years old and that the sexual abuse continued over the years. Read: Polk Deputies Apprehend Suspects After…