The fight over the release of the Covenant School shooter's manifesto and other writings escalated Wednesday with state Sen. Todd Gardenhire, R-Chattanooga, and The Tennessean filing a public records lawsuit against Metro Nashville, and unnamed Covenant School parents filing motions to intervene in the current cases.
Also, Assistant Police Chief Mike Hagar and police Lt. Brent Gibson filed declarations that police are still trying to determine if the shooter had any assistance planning the shooting or purchasing the weapons, with Gibson stating that it will take about 12 months to finish the investigation.