This is a short practical guide on how to become a giallo killer in that classic italian 1970s style.
You can be a man, a woman, gender X, or anything you like. It is good if you have some kind of a childhood trauma as your reason to kill. Mental illness is also nice to have.
First we need a long black coat like this:
Black leather gloves are also essential:
Black hat is needed too:
As a giallo killer, you may want to intimidate and scare your victims before you kill them. For this purpose you will need an old, analog phone. You also need a prepaid phone card and an adapter so that you can use the analog phone in a 4G/5G network.
Before making phone calls, learn to alter your voice to be unrecognizable. Hissing whispers are recommended. Your threats could be something like: "I will kill you soon!" or "You will be the next to die!".
Here is a red vintage analog phone:
The weapon of choice should be a vintage, rugged, straight razor made of steel. Here is Solingen Mozart razor. Sorry for the bad image quality:
Two examples of what you could look like when stalking in the night:
Good luck!