Sentry by Frederic Brown
Did you post your ending to Sentry? If so, listen or read Mr. Brown's actual end to the story below. Don't do so until you have completed your own ending first!
When you have read the real finish, post your thoughts in the comments section. Also, think about the biases and assumptions present in your version of the ending. What were they? How might some of those same types of biases show up when interviewing?
The Ending
He aimed his gun and opened fire. The alien made that strange horrible cry they all make, and then a deathly silence. It was dead. The sight of the dead body made him shudder. They were horrible disgusting creatures, with only two arms, two legs, two eyes, and awful white skin and without scales.