The former girlfriend of a 20-year-old San Jose woman who died Monday after possibly being dragged by a car in Alviso was arrested Wednesday on suspicion of murder after being questioned by police for hours. Jennifer Bautista, 19, of Sunnyvale, was booked Wednesday night in connection with the death of Letty Martinez, 19, said Officer Jermaine Thomas, a police spokesman. Thomas said Tuesday that Bautista and Martinez had an "altercation, verbal or physical" Monday, before Martinez was either dragged by a moving car or as she tried to hold onto it. Martinez was left lying in the middle of Michigan...