You have been impronised for your entire life, and then one day you
get your chance, escape and get to be free for a little time - and then
you are shot: http://uk.news.yahoo.com/040319/80/ep15d.html .

I have to admit that I felt terribly sorry for the gorilla, and not so
for the "terrified" zoo goers. After all, there are 6,4 billion Homo
sapiens on this planet, but very few gorillas... Not enough to waste
like this. Police officers, on the other hand, are not endangered
species.