The paper said Wednesday it had obtained a Rochester Police report, and that Johnson was found by his wife shortly before 10 a.m. on July 7. A gun and a single bullet were found near him. No suicide note was left.
The Oakland County Medical Examiner declined to discuss findings from an autopsy, according to the paper.
Johnson was with Nashville for the franchise's first season in the league. He spent the last seven years of his career with the Predators. He also played for Detroit, Pittsburgh and Chicago during his 12 years in the NHL.
The Detroit News said Johnson's agent, Tom Laidlaw, declined to discuss specifics about the former player's death. Johnson was 48.