William Heirens was without a doubt a skilled burglar, but was he really responsible for the three murders for which he was sentenced to life? Getty ImagesThe 17-year-old suspect, Heirens, behind bars on Dec. 10, 1945. Heirens was under constant surveillance at the jail. “For heaven’s Sake, catch me Before I kill more I can not control myself” read a note scrawled in lipstick across the living room wall of Frances Brown’s apartment.

Roselle, The Guide Dog That Led Her Blind Owner To Safety On 9/11 American Kennel ClubRoselle guided her owner and several others down more than 1,000 steps and to safety during the 9/11 attacks. On Sept. 11, 2001, Michael Hingson reported to work at Quantum Corporation on the 78th floor of the World Trade Center as usual. But the morning had hardly started when Hingson, who was blind, heard a boom and felt the building shake.

These 20 serial killers let us know why they killed — but we'll never know just how to unread what they said. "The first time I did a shot of dope, it was the best feeling I ever had in my life. The first time I killed somebody, it was such a rush. It was just like that, a shot of dope every time I did it, it was that rush again, and I started chasing that high.

From its ancient origins to the billions we spend on it today, these surprising chocolate facts will certainly help you savor the world's favorite sweet.First, the Mayans and Aztecs drank it. Then, the Europeans made it solid. And today, chocolate is a booming world industry worth well over $100 billion per year. And when it comes to the history of chocolate, that’s just scratching the surface. Now, celebrate the world’s favorite sweet — and learn a thing or two — with these 21 surprising chocolate facts:

Over the years, Prince Philip has garnered quite a following, mainly for his uncanny ability to put his foot in his mouth when he speaks.Prince Philip, also known as the Duke of Edinburgh, has been married to Queen Elizabeth II for 67 years, making him the longest-serving spouse to a monarch in British history. During that time, Philip has built a reputation of repeatedly putting his foot in his mouth when he speaks in public.