Prosecutors say Diaz sent emails to herself using specialized software to make it appear that Hadley had sent them..
That’s nice to know that this can be done.
Yes, it can be done but there are more things to consider than spoofed email headers, etc.
All of those spoofed emails and CL ads used in this scheme uses IP addresses. These can be traced back to the internet provider where they originated from, which leads to at minimum a general location or often an exact location. She had her footprints planned, the problem was she was stepping around her backyard literally and thankfully got busted.
It can be done very easily, but it won’t fool a real forensic investigation, just a casual inspection.