Yesterday in a Haverhill courtroom, jurors heard a taped police interview of Aaron Deveau admitting he was “tired,” “distracted” and speeding when his Blue Chevy Malibu hit the red Toyota Corolla driven by 55-year-old Donald Bowley Jr., who was killed, and Luz Selena Roman, 58, who was severely injured. But Deveau, 18, denied he was talking on the phone or texting, though he is accused of vehicular homicide in the state’s first texting-while-driving case. Attorneys here clearly expect many more of these cases — and more survivors of those injured to sue for damages from not just texting teens but...