A woman charged with murder has entered a plea of not guilty by reason of insanity. At her trial, in which the questions of guilt and sanity are being tried together, the evidence shows that the woman stalked the victim for several hours before following him to an isolated hiking trail where she shot and killed him. Expert witnesses for the defense have testified that the woman knew that killing was illegal and wrong, but that she suffered from a serious mental illness that left her in the grip of a powerful and irresistible compulsion to kill the victim. If the jury believes the testimony of the defense experts, under what circumstances could the jury properly acquit the woman of murder