David Warner has accused Cricket Australia of conducting a flawed investigation into the 2018 ball-tampering scandal, questioning why Josh Hazlewood, Mitchell Starc and Nathan Lyon were allegedly not interviewed. Warner backed Usman Khawaja. Former Australia opener David Warner has accused Cricket Australia (CA) of conducting a flawed investigation into the 2018 ball-tampering scandal, questioning why senior fast bowlers Josh Hazlewood, Mitchell Starc and Nathan Lyon were allegedly not interviewed during the inquiry.