According to <a href="https://www.snopes.com">
www.snopes.com</a> this is a fake.
In fact on their page for this which can be found <a href="http://www.snopes.com/humor/jokes/fbitop20.htm">here(
http://www.snopes.com/humor/jokes/fbitop20.htm)</a>, they have 20 homicides, not 12.
<b>Here are the 8 that are missing:</b>
Mary-Lee Cooper, 11 years old, was killed by her 1 year old sister who climbed on top of her while she was sleeping, suffocating her.
Fiona Given, 17 years old, was killed by a "Hit Man" hired by her ex boyfriend after she broke off their relationship. The "Hit Man" was promised to be paid $500,000 for the task. The "Hit Man" killed the boyfriend after he found out that a 16 year old high school student, whose father was in jail for rape, and mother worked as an ironing lady didn't have access to $500,000.
Louis Zaragoza, 68 years old, was killed as he prepared to drive to work. Lee Zaragoza, had been plotting to kill him for over a year, and had cut the brakes on his car 4 times previously. On this attempt Lee was just about to cut the brakes again when Louis snuck up behind her, he grabbed her and spun her around, as he did she lost her footing and stumbled into him, stabbing him in the lower ventrical of the heart, killing him instantly.
Mummod Foli, 22 years old, was killed by an unknown member of the Russian Mafia, after he accidentally took away the gangsters drink too soon at the nightclub he worked in. The gangster was so upset he forced the waiter to drink over 27 litres of 'coca cola' (the drink he had taken away) until Mummod drowned.
Jay Newton was killed after a co worker at Sea World Florida dropped a 20 tonne killer whale on him. The whale had been hoisted out of his tank by a Master Tonne Crane, when the victim swam underneath to inspect the harness his colleague, Brian Hartley released the whale. crushing the victim instantly, (and emptying ¼ the water from the pool).
Carl Densinter, 34 years old, by a fellow worker trying to prove a point.The worker, San Amote Pet, disconected the internal landing gear settings on a Boeing 747 test plane, and the plane's gear automatically retracted after take off. But come landing time wouldn't re-engage, the helpless Densinter couldn't do a thing as the plane ran out of fuel, in an attempt at an emergency landing the 747 exploded. Densinter was killed instantly.
Mary Dridely, Joseph Coles and Haven Gillies were killed as they walked past a New York apartment building. David Smee, 7 years old, and his 6 year old sister were left alone in their 27th floor hotel room by their parents as they went to the hotel's gaming room. Bored, the kids though it'd be fun to try to squish the "Ant looking things on the foot path below." (people) They started by throwing fruit, then quickly graduated to chairs, televisions, even the drawers from the bedroom dresser.
Gail Queens, 23 years old, was killed by her Zoo keeper Boyfriend Mathew Kellaway after she refused sex. He 'invited her' to the zoo the see the lion feeding, and at feeding time lead her into a room that had a large slide away panel, He explained to her that it was a large glass viewing window to watch the lions devour their prey. He ducked out for a quick smoke and locked her in the room. Suddenly the slide away panel opened to reveal many persons staring at her, she was just about to yell and tell them that they were on the wrong side of the glass when she realised that it was her on the wrong side. Another panel opened and 3 hungry lions were let into the pen. Gail survived for 2 days in hospital before dying of massive internal injuries.