Man who killed and decapitated his wife was suffering from cannabis-induced psychosis, court told

Two psychiatrists gave evidence in the trial of murder-accused Diego Costa Silva

Both psychiatrists agreed Mr Costa Silva's psychosis was not due to acute intoxication from cannabis but a more persistent illness of cannabis-induced psychosis.

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A man killed and decapitated his wife while suffering from a cannabis induced psychosis that led him to believe she was possessed by a serpent and was going to kill him, two consultant psychiatrists have told the Central Criminal Court.