A Code Hidden in a Calendar

Riddle:

A man is found dead with 7B91011 written on a calendar page. His wife, partner, and best friend are suspects. Who did it?

Answer:

Mr. Jason McCubbins — 7B91011 spells “JASON” if you decode: 7 = G, B = 2nd letter (A = 1), 9 = I, 10 = J, 11 = K. The key clue is the code, pointing directly to “Jason.”