In the Kilroy murder trial, the jury will decide if cannabis-induced psychosis can be a defense for insanity.

In the Kilroy murder trial, the jury will consider if cannabis-induced psychosis can be a defence for insanity. James Kilroy, who killed his wife, may be found not guilty by reason of insanity if the jury determines that drug-induced psychosis is a mental disorder, as per the Criminal Law (Insanity) Act. The defense psychiatrist, Dr. Ronan Mullaney, believes drug-induced psychosis qualifies as a mental disorder, while psychiatrists have presented differing opinions on the matter.