The ball-tampering allegations have soured the fourth day of the Lord's Test between England and India.
Pat Cummins, Josh Hazlewood, Mitchell Starc, and Nathan Lyon have released a statement where they have pleaded innocence.
Gilchrist said that ball-tampering has been an issue in the sport for a long time and slammed CA for never delving into the issue.
Cricket Australia have reopened the investigation into the sandpapergate scandal during the Newlands Test against South Africa.
Cameron Bancroft has given a new dimension to the Newlands ball-tampering scandal, saying that the bowlers probably 'had knowledge'.