William Davila surrendered to the police this afternoon, three days after his estranged wife was found stabbed to death in the front of his car on the Lower East Side. The body of Leonida Davila, 39, was found shortly before midnight Tuesday evening in parking garage on Delancey and Essex Streets. She was wrapped in a blanket and handcuffed, with multiple stab wounds to the head, neck, and chest. Davila, who was convicted of attempted......