What is the standard police procedure upon finding a crime scene?

If someone finds a dead body and calls the police, what happens then?

Also, does anyone know the basics of how the Crime Scene Unit work? What order they do things, what they look for etc.?

Thank you in advance!

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).