PARANOID and delusional as he walked up and down Sandgate Road with an improvised explosive device, two knives and a hammer, Zack Mavin was suffering from schizophrenia when he first tried to hold-up a service station and then a short time later stabbed well-known Shortland local Robert "Bobby" Palmer to death.
But the impact his schizophrenia had on his actions that night and whether Mr Mavin, now 26, knew what he was doing was wrong will be the focus of a judge-alone trial in Newcastle Supreme Court this week.
