In this case it's art imitating life. Real killers know that if they wrap the body in plastic it limits the transfer of evidence such as hairs, blood, saliva, dirt, leaves, paint, fabric fibers, ect. With advances in foresic science it has become harder for criminals to leave a scene devoid of minute pieces of evidence.
There are hundreds of horror movies about serial killers; both based on fictional and non-fictional people.
If you're talking about famous serial killers in movies like Hannibal Lecter and Michael Myers, then no. If you're talking about serial killers in real life, then yes. For example, Jeffrey Dahmer killed seventeen men and boys between the years of 1978 and 1991. For another example, Ed Gein murdered two people in a timespan between 1954 and 1957. Those are actual serial killers who committed actual murders. Movie killers are based on fiction and did not actually kill people in real life.
why
Plenty of people have been stabbed to death in real life. But I don't think any of them were due to copycat Scream movie killers.
Woody Harrelson
Before plastic, people used other materials like glass, metal, paper, and wood for various purposes such as packaging, storage, and manufacturing. They relied more on reusable and durable products instead of the disposable plastic items we have today.
It is not a tradition in Islam. Islam wants that criminals should be punished in open before the other people so that people should be afraid of committing crime. Killers in Saudi Arabia are beheaded in open daylight before crowds of people watching them.
Plastic surgery is very popular in LA because so many rich people involved in music/movies live there and they can afford to pay to look better.
Most people say sharks are blood Thirsty killers but there not that's just how they survive.
People like to read books about serial killers. Why do farmers grow bananas? Answer: people like bananas.
Before television was invented, people went to see live theater performances (and they still do!) of plays and musicals. Then, as now, people would also attend music concerts. People also, of course, went to see silent movies and later, movies with sound.
When they started to become Americanised. Before that they went to the cinema.