On this day in conspiracies

On the night named in the letter, dance halls filled and bands played across the city. No attack was reported that night. The episode fused the killings to jazz in popular memory and inspired a piece of sheet music published soon after.

Echols and Baldwin are convicted at a joint trial where the prosecution argues the killings were a satanic ritual. An occult expert, Dale Griffis, holding a degree from an unaccredited correspondence school, testifies to supposed satanic signatures in the crime. Echols is sentenced to death; Baldwin to life.

Britain's Channel 4 News airs undercover footage of chief executive Alexander Nix and colleagues boasting about entrapment, bribery, and disinformation tactics for campaigns. The video hardens public opinion against the firm; Nix is soon suspended.

Genasys, the U.S. maker of LRAD devices, states that the audio and video reviewed so far does not support the use of an LRAD during the March 15 incident.