After 40 years, police made an arrest in the rape and stabbing death of Roberta Walls. Charles Randall Berry, the 66-year-old suspect, was arrested Monday in Newington, Connecticut. Virginia Beach police said advancements in technology combined with investigative work helped detectives solve the case. ... In the spring of 1986, the body of Walls, a 22-year-old volunteer at the Bayside Area Library, was found on a baseball field behind Old Donation School, near Independence Boulevard north of Town Center.