On this episode of BuzzFeed Unsolved, Ryan and Shane investigate the Jack the Ripper case, from the victims to the suspects. Here are 15 of the many details they discussed. View this video on YouTube BuzzFeedBlue / Via youtu.be 1. On Aug. 31, 1888, the body of Mary Ann Nichols was found by two men. She was the first victim, having suffered a severe throat slash. Warning This image is graphic Tap to reveal Click to reveal commons.wikimedia.org / Via Records of the Metropolitan Police Office 2. On Sept. 8, 1888, Annie Chapman was found by an elderly man. Her throat had been cut, and the murderer had taken her womb. Wikimedia Commons / Via commons.wikimedia.org It was suggested that the killer had anatomical knowledge because of the manner in which Annie’s womb was removed. 3. On Sept. 27, 1888, the apparent killer sent a letter to police. It's known as the "Dear Boss Letter.” National Archives / Via en.wikipedia.org The letter reads:Dear Boss,I keep on hearing the police have caught me but they wont fix me just yet. I have laughed when they look so clever and talk about being on the right track. That joke about Leather Apron gave me real fits. I am down on whores and I shant quit ripping them till I do get buckled. Grand work the last job was. I gave the lady no time to squeal. How can they catch me now. I love my work and want to start again. You will soon hear of me with my funny little games. I saved some of the proper red stuff in a ginger beer bottle over the last job to write with but it went thick like glue and I cant use it. Red ink is fit enough I hope ha. ha. The next job I do I shall clip the lady's ears off and send to the police officers just for jolly, wouldn't you? Keep this letter back till I do a bit more work, then give it out straight. My knife's so nice and sharp I want to get to work right away if I get a chance. Good Luck. Yours truly,Jack the RipperDon't mind me giving the trade name.PS Wasn't good enough to post this before I got all the red ink off my hands curse it. No luck yet. They say I'm a doctor now. Ha ha. 4. The letter above was signed by “Jack the Ripper,” and that moniker stuck with the public from that point on. National Archives / Via en.wikipedia.org 5. On Sept. 30, 1888, the body of Elizabeth Stride was found with a slashed throat. It appeared to have been done hastily, leading some to believe it might not have been done by Jack the Ripper. Warning This image is graphic Tap to reveal Click to reveal Records of the Metropolitan Police Service / Via en.wikipedia.org 6. That same night, about 45 minutes after Stride was discovered, another body was found 10–15 minutes away. It was Catherine Eddowes. Warning This image is graphic Tap to reveal Click to reveal Royal London Hospital Archives and Museum / Via commons.wikimedia.org She’d been severely mutilated, and her uterus and left kidney had been removed. 7. Nov. 9, 1888, Mary Kelly’s body was found by her landlord’s assistant. This was the most gruesome of the murders, as her body was disemboweled and “virtually skinned down.” Warning This image is graphic Tap to reveal Click to reveal City of London police archives / Via en.wikipedia.org 8. One of the suspects was Montague John Druitt. Montague may’ve lived with his cousin, who was practicing medicine near where the murders occurred. Wikimedia Commons / Via commons.wikimedia.org About a month before the first murder, Montague’s mother went insane, and he wrote in a note that he also feared he was going insane. He disappeared after the first murder, and his body was found floating in a river within four weeks after the final murder. 9. The second suspect was Michael Ostrog, who had previously been in an asylum for homicidal tendencies. Wikimedia Commons / Via commons.wikimedia.org While he didn’t have a strong alibi for his whereabouts during the murders, there wasn’t significant evidence linking him to the crime. 10. The third suspect was Aaron Kosminski, a resident of the area who spent some time in asylums after the murders. BuzzFeed He was known for his hatred toward women, particularly prostitutes. 11. There's also the “Jill the Ripper” theory. The idea is that a woman was the killer, but police had been searching for a man, so it would’ve been easy for a woman to slip by without suspicion. BuzzFeed However, all eyewitness testimony points to the murderer being a man. 12. The fifth suspect is Prince Albert Victor Christian Edward. The theory that he was the murderer is also known as the "Royal Conspiracy.” Paul Frecker / Via commons.wikimedia.org Prince Edward was known to frequent the areas where the victims were found, and some believe he may’ve contracted syphilis, which drove him to insanity and led to him committing the murders. This theory is mostly regarded as ludicrous, because there’s a lack of evidence to support it. 13. There’s a sixth suspect named Walter Sickert, a painter who was known for being obsessed with the Ripper. Wikimedia Commons / Via commons.wikimedia.org He even referenced him in his artwork and titled one of his paintings “Jack the Ripper’s Bedroom" (seen above). 14. The seventh suspect is Joseph Barnett, who lived with Mary Kelly, the final Ripper victim. Barnett worked as a fish porter and it’s believed that he was in love with Kelly. BuzzFeed Barnett disagreed with Mary Kelly’s life as a prostitute, so some theorize that he committed the first murders to scare Kelly off the streets. Eventually she returned to the street to make ends meet. It's believed that the two had a big fight that got violent, and Barnett moved out. 10 days later, Kelly’s body was found in her apartment. This could explain why the murders ended with Kelly’s death. 15. The eighth and final suspect is James Maybrick, who died one year after the murders. The Graphic / Via commons.wikimedia.org There was a diary reportedly discovered under the floorboards of Maybrick’s estate, with a message signed by “Jack the Ripper.” This case still remains a mysterious one. BuzzFeed With several suspects and some uncertainty surrounding the true total number of victims, the actual identity of Jack the Ripper remains unsolved.