A dedicated team of cold-case investigators has revealed how they used an alpha-numeric code-breaking system to decipher strings of letters and numbers included in a series of mysterious letters ...

In this day and age, phones have undeniably become the main method of communication. It seems like everyone has a cell phone in their pocket, making them capable of chatting with others over social ...

It wasn't long ago that filmmaker, author and self-styled D.B. Cooper sleuth Tom Colbert released his latest find: A sixth letter from the famed hijacker that reportedly contained a coded confession.

The numbers on a tire's sidewall provide information about its size, manufacture date, load rating, speed rating, and maximum ...