En una exploración escalofriante, profundizamos en las historias de asesinos en serie que fueron detectados por personas preocupadas, pero que de alguna manera lograron pasar desapercibidos para las autoridades.
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00:00Coggle Police may have passed over crucial clues in the mass murder investigation.
00:20You have to understand that detective work was organized in a very different way in the 70s.
00:28Edmund Kemper
00:43Unlike many murderers on this list,
00:45the tendency of Edmund Kemper to violence was already known when he began to kill in series.
00:51On August 27, 1964, 15-year-old Kemper shot and murdered his grandparents, Maud and Edmund.
00:59He called the police and was taken to a psychiatric center.
01:11Kemper was a model prisoner and over time he was considered very intelligent and rehabilitated.
01:18However, Kemper's psychiatrists were not convinced,
01:22arguing that he was not well and warning that more acts of violence could occur if he was released.
01:29His warnings were not attended to and Kemper was released on his 21st birthday.
01:37This was in December 1969.
01:40Less than three years later, between May 1972 and April 1973,
01:46Kemper would murder eight more people, including his mother, Clarnell.
01:57D'Angelo Martin
02:05Between 2018 and 2019, D'Angelo Martin murdered four people in the Detroit metropolitan area.
02:13However, an exhaustive study carried out by Associated Press
02:17discovered that Detroit had received warnings about Martin for almost two decades.
02:24They claimed that for 15 years the city police had manipulated the evidence that linked him to several crimes,
02:31such as the loss of elements in 2004, which could have linked Martin to a sexual assault.
02:37They also ignored personal warnings and did not handle DNA properly.
02:43A supervisor described it as a total systemic collapse
02:47and two officers were suspended for neglecting their duties.
02:51It is believed that if they had taken the appropriate precautions,
02:54Martin would have been caught before he killed someone.
03:08Bruce MacArthur
03:18Between 2010 and 2017, Bruce MacArthur terrorized the church and Wellesley neighborhoods in Toronto,
03:25killing eight people.
03:27This neighborhood is known for its LGBTQ activity
03:30and offers many bars and stores aimed at the community.
03:34A PhD candidate named Sasha Reed warned the police that there was probably an active serial killer in the area,
03:42but nothing happened.
03:56The locals asked the police to investigate,
04:00since a large number of homosexual men were disappearing.
04:04Once again, not much happened.
04:06Some people blame discrimination,
04:09since the victims were part of a marginalized community.
04:12A report written by Ontario judge Gloria Epstein
04:16stated that the Toronto police lost important opportunities to identify him as the killer,
04:23often due to their erroneous concepts or stereotyped ideas about the gay community.
04:30I'm curious about why he did what he did,
04:32and I'm more curious about how it happened for so long,
04:35and how the community knew this was happening before the police alerted us.
04:41Peter Sutcliffe
04:43The serial killer, Peter Sutcliffe, known as the Yorkshire Ripper,
04:46has died in hospital at the age of 74.
04:48He had coronavirus.
04:50Nicknamed the Yorkshire Ripper,
04:52Peter Sutcliffe murdered at least 13 women in 1975 and 1980,
04:59just like MacArthur took advantage of a marginalized community
05:02that he knew would go unnoticed,
05:05in this case, the sex workers.
05:08It was quite obvious, even from the beginning,
05:11that Sutcliffe was a serial killer.
05:13Dozens of people warned Yorkshire police about Sutcliffe,
05:18including survivors, crime analysts,
05:21Sutcliffe's friend Trevor Birdsall, and even the FBI.
05:30Is he a Geordie?
05:32No, no.
05:33What's his name?
05:35He said Peter Sutcliffe.
05:37Now listen, boys.
05:38Peter Sutcliffe, man,
05:40Peter Sutcliffe is not the Yorkshire Ripper.
05:44In fact, Sutcliffe was interviewed nine different times,
05:47but they let him go each and every time
05:50thanks to a horrible police job
05:52and a casual indifference towards the sex workers.
05:56A report written by Inspector Lawrence Byford
05:59harshly criticized Yorkshire police,
06:02which led to systematic changes in the country's investigation procedures.
06:27The result of injuries from an assault
06:29by another inmate at Port Cartier Institution in Quebec.
06:57He admitted killing 49 women.
06:59We think that he killed probably closer to 100.
07:03He had absolutely no remorse.
07:05He brutalized the women.
07:27And an anonymous notice stated that he had a freezer full of human remains
07:32in his country house.
07:34But this information of nightmare was completely ignored.
07:57Despite having a huge number of deaths,
08:00Gary Ridgway is not as famous as other murderers.
08:04Known as the Green River murderer,
08:06Ridgway was convicted of 49 murders,
08:10although it is possible that he committed more than 90.
08:13He was not caught until 2001.
08:15However, he was an important suspect in the case for almost 20 years.
08:27His name was mentioned in 1983
08:29when Mary Mulbar's boyfriend
08:31found the truck in which he had disappeared
08:34parked in front of Ridgway's house.
08:37The police were also receiving other leads that accused Ridgway,
08:41which led them to accuse him and interview him.
08:44However, the polygraph test passed
08:46and the investigators could not link him to the murders,
08:50so he was released.
08:56Dennis Rather
09:10Famously known as BTK,
09:12Dennis Rather killed 10 people in the metropolitan area of Wichita
09:17between 1974 and 1991,
09:21often making fun of the police with deaf letters.
09:24At that time, Dennis was quite modest,
09:27known as a quiet and reserved security specialist.
09:41But as he aged, Dennis became more frank and confrontational.
09:45Throughout the 1990s,
09:48the locals began to have problems with Dennis,
09:51especially in his strict official quality of compliance.
09:55He also became known for harassing women
09:58and numerous victims filed restraining orders against him.
10:02A neighbor even claimed that Dennis had killed his dog.
10:06The signs were there,
10:08but the police did not investigate further.
10:11If they had done so,
10:12it is possible that they would have discovered
10:14one of the most infamous serial killers in the country.
10:22John Wayne Gacy
10:34According to all reports,
10:36John Wayne Gacy was a kind and popular man
10:39who was active in his community of Chicago.
10:41But some people tried to speak against him,
10:44specifically Marco Butkovich.
10:47Marco John's son worked for Gacy's construction company,
10:51PDM Contractors,
10:53when he disappeared in 1975.
11:07According to Butkovich,
11:09he had problems with his boss,
11:11whom he had confronted for unpaid wages.
11:14Then, when his car appeared with his jacket and wallet still inside,
11:18Marco suspected that Gacy had murdered his son.
11:22He and his wife called the police more than 100 times
11:26during the next three years,
11:28urging them to investigate and interrogate Gacy.
11:31They didn't do it.
11:32Butkovich was Gacy's third victim,
11:35the third of 33.
11:45Ted Bundy
11:53Despite his infamy,
11:54Ted Bundy was a pretty careless serial killer.
11:58Many people survived his attacks,
12:00he was jailed on numerous occasions,
12:02and friends and acquaintances had suspected for a long time
12:06that he was a murderer.
12:08A series of murders occurred on the west coast during 1974.
12:13A robot portrait was made public
12:15and a criminal profile that described the culprit,
12:18and many people recognized him immediately as Bundy.
12:34This includes two co-workers of Bundy,
12:37a professor at the University of Washington,
12:39and even his girlfriend Elizabeth Kloepfer.
12:42They all went to the police
12:44and told them that Bundy was the man they were looking for.
12:47However, the investigators were not convinced
12:50and ignored their statements,
12:52since Bundy was a respectable law student
12:55without criminal records,
12:57a wolf with sheepskin.
12:59There were something like 3,000 potential Teds
13:02who may or may not drive a Volkswagen,
13:04and he was one of them.
13:06But he had this terrific, spotless, clean record.
13:09We haven't reached the end yet, but almost.
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13:19Very well, let's go to the end.
13:22Jeffrey Dahmer
13:23Oh, hey.
13:24I gotta say, that smell is worse than ever.
13:29Is it?
13:33Well, you know, I had that meat.
13:35It went bad.
13:36The people who saw Monster may have thought
13:39that Glenda Cleveland's character was made up,
13:42a kind of compound character created
13:45to represent all the people
13:47who tried to alert the police about Dahmer.
13:50But no, she was very real.
13:52Cleveland, his daughter, and his niece
13:55contacted the police to warn them about Dahmer,
13:59even warning them about the terrifying incident
14:02that involved Conorac Synthesamphon.
14:12The young man was returned to Dahmer's care,
14:15and there he was murdered.
14:17After learning that Conorac had disappeared,
14:20Cleveland made repeated calls to the police,
14:23and even contacted the FBI.
14:25All these calls were ignored.
14:28Dahmer murdered four men after Conorac,
14:31without Cleveland's alarms being heard at all.
14:49Do you know other examples?
14:51Cuéntanos en los comentarios.
14:53I'm an American, and I went off the deep end.
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