A trial began Tuesday for a man accused in connection with a multi-vehicle crash that killed three people six years ago. Jurors are expected to be seated in the manslaughter case of Aris Jamal Ransom-Powell, 29. Ransom-Powell is accused of participating in street racing that led to the deaths of three people. San Antonio police officers responded to the crash just before 4:30 p.m. on June 24, 2020, near the intersection of McCullough Avenue and …