Weapons – Common Principles To access CrimeLine content you must first log in via this link, if you have a current membership you will be able to view content - You will be redirected to this page once you have done so . Updated on Related Articles Offence of having a corrosive substance in a public place Offence of threatening with an offensive weapon etc in a private place Minding a ‘Dangerous Weapon’ Sale of knives and certain articles with blade or point to persons under 18 Offences Concerning ‘Realistic Imitation Firearms’ Threatening with Offensive Weapon, Article with Blade/Point, Public or School Premises