PINELLAS COUNTY, Fla. \- A man has been arrested after attacking a woman on Indian Rocks beach and masturbating on her. Pinellas County Sheriff’s Office Detectives assigned to the Robbery/Homicide Unit have arrested 44-year-old Timothy James Graham, Jr. for Robbery, Battery on a Person 65 Years of Age or Older, Tampering with Physical Evidence, False Imprisonment, Tampering with a Witness, and Exposure of Sexual Organs. At approximately 5:15 a.m., deputies responded to the area of 10th Avenue and Gulf Boulevard in Indian Rocks Beach after receiving a 911 call from the victim, a 66-year-old fem…