Black magic, also known as dark magic, is a form of magic that is used to harm or manipulate other people. While it has been practiced for centuries in various cultures, many people view it as a fraudulent activity. This is because black magic practitioners often prey on vulnerable people and exploit their fears and desires for profit. 

 One of the most common ways that black magic is used in fraudulent activity is through love spells. Many people turn to black magic practitioners when they are struggling with relationship issues or seeking love. These practitioners offer to cast love spells that will make the person they desire fall in love with them or return to them. However, these spells are often fake, and the practitioners take advantage of the person's vulnerability to extract large amounts of money from them.