A 21-year-old woman who was called as a key witness in a santa cruz murder trial, was sentenced to 2-years in custody for using the victim’s credit cards. Kristin Roberts had testified for the prosecution in 2 separate murder trials, against the suspects accused of killing los angeles resident elias Sorokin in 2009. she was convicted of stealing sorokin’s credit cards, and using them after the murder. the sentence comes after Roberts had already served an adequate time in custody, so she was released. However, Roberts is currently serving a sentence for in monterey county for d-u-i.