On psychosis, cannabis, race, and violence

Marijuana-induced mental illness is almost surely at the heart of a heinous 2015 murder that is a becoming another flashpoint for conservatives furious about black crime against white people. - Alex Berenson

• On Dec. 7, 2015, Ronald Exantus broke into the Kentucky home of six-year-old Logan Tipton and stabbed Logan to death as he screamed. The killing was random. Exantus had never met Logan or his family before.

Now — not even a decade later — Exantus has been released from prison...

But hiding behind the racial element in this case is the crisis of cannabis psychosis and the violence it brings.

• It is no exaggeration to say Exantus’s cannabis use may well have caused his crime — and that the prosecution’s failure to explain that fact properly led to a miscarriage of justice...