Maiming, Poisoning and Harm by Particular Means

Mayhem (from Anglo-Norman maiuhem, from Old French mahaigne 'injury, damage, wrong, etc.'; cognate to maim) is a common law criminal offence consisting of the intentional maiming of another person.

Mutilation or maiming (from the Latin: mutilus) is severe damage to the body that has a subsequent harmful effect on an individual's quality of life.

In American slang, a Mickey Finn, or a Mickey (often called a spiked drink), is a drink laced with an incapacitating agent, particularly chloral hydrate, given to someone without their consent with the intent to incapacitate them or "knock them out"; hence the colloquial name knockout drops.

In modern English law, the latter is always considered a crime, even in the most trying circumstances.

Causing gunpowder to explode, or sending to any person an explosive substance, or throwing corrosive fluid on a person, with intent to do grievous bodily harm.