Cannibals

Apparently a big off shore IT firm is desperately hiring anyone it can, to fulfil its contractual obligations and as a last resort to find resources considers hiring some cannibals. "Look, we will hire you, but we will NOT tolerate you eating any other staff members. Is that understood?" asked the HR manager to the cannibal leader. He agreed and shortly afterwards, him and his tribe get to work.

Six weeks later the HR manager learns that a techie has gone missing and runs to the cannibal chief. "What have you done?! I explicitly told you, no eating the staff! You are ALL fired!"  The chief turns to his tribe and asks "Who the hell ate the programmer? We agreed to only eat the managers. We’ve been doing that for 6 weeks and no one noticed…"