Meth, in other words known as "P" is a drug that is consisted of various harmful materials that are extremely addictive, in such, hydrochloric acid. When meth starts invading a victim's body, it is capable of easily sabotaging vulnerable body organs. Also, it can evidently damge one's facial appearences, by causing the rot of the teeth, the skin, etc. Furthermore, it has an unpredictably immense negative influence, especially on the brain. Therefore, a meth user can end up seeing hallucinations. Thus, a meth user, with his or her detrimentally effected physical and mental systems can commit crimes without realizing it is wrong. In conclusion it is best to avoid taking meth, as possible.
Murder case :
In New Zealand, there was a case where Antonie a notorious killer, named Antonie Dixon was proved to have been taking drugs. As a murder crime, he cut a woman's hand off and then he shot a man fourteen times. It was indeed a horrible incident. Therefore, under so much pressure from other people for his wrong doings, he commited suicide.