THE IRREFUTABLE PROOF: USUL IS EVIL

   U   S   U   L
  85  83  85  76     <- ASCII values
   4   2   4   4     <- all digits added
  \_/ \_/ \_/ \_/
   4   2   4   4     <- final sum

Therefore, "Usul" actually stands for 4244.

Write the number backwards, add 1942 - the year Ted Kaczynski was born. The number is now 6366.

Write the number backwards, subtract 1908 - the year of the Tunguska event. The value is now 4728.

Multiply the value by 2 - the symbol of duality. You get 9456.

Subtract 1934 - the year Charles Manson was born. This gives you 7522.

Add 69, the symbol of sinful perversion - you will get 7591.

This number, written backwards, is 1957 - the year Osama bin Laden was born.

The prosecution rests.