“…Forensic psychiatrists also suggest that the type of mental disorder of the perpetrator may influence the choice of the weapon [ 36 , 37 ], with depatterning of behavior, common in schizophrenics, leading to a random choice at the crime scene, whereas delirium or hallucinations may explain the choice of unusual or atypical weapons [ 36 ]. Indeed, some associations between the mental disorder of the offender and the weapon used have been described in the literature, the most common being schizophrenia/delusional disorder with the use of sharp instruments [ 36 , 43 ], often correlated with multiple strikes on the torso [ 36 ] and mood disorders with strangling, asphyxiation, suffocation, and drowning [ 43 ]. A personality disorder, alcohol dependence and organic disorders are often correlated with the use of blunt instruments [ 43 ].…”