2020 is not just the start of a new year, but a brand new decade. There is a whisper of better things and a hint of hope. For some, however, this means just another year, and possibly another decade, that has an unsolved mystery that prevents them from completing loved ones inexplicably, while others are waiting for news that family members are missing who never come. There are 10 missing persons on this list, which must be discussed and considered. However, we should not forget all the time that those who remain behind and pray for their missing relatives return safely.
10 Boris Weisfeiler
43-year-old Boris Weisfeiler had almost made it with all the snow in pennsylvania in December 1984. With greedy sunshine, he booked a trip to Chile and was looking forward to several hiking trails in the Andes Hike. The only sign that he was ever there was a backpack that was found on the river bank. Weisfeiler never returned home and was never seen again. The authorities in Chile concluded that he had drowned while trying to cross the river, but his body was never recovered. 
Fast forward 16 years, and Boris Weisfeiler's mysterious disappearance takes a sinister turn. Released US documents indicate that the Penn State University professor may have been murdered in Chile. The documents allege that a witness saw how Weisfeiler was interrogated in an agricultural community before being shot at close range.
This revelation led to a new investigation. In 2012, eight men, including police and military officers, were charged with kidnapping Weisfeiler. However, the case was closed in 2016 and the men were all released.
Boris Weisfeiler's sister was devastated by this turn of events. No body has been recovered in Chile to date, and Boris Weisfeiler's fate remains a mystery.
9 Patricia Meehan
On April 20, 1989, 37-year-old Patricia Meehan was driving the Montana Highway 200 on the wrong side of the road when she crashed into another vehicle. The driver of the other car was Carol Heitz, an off duty police officer.
After Heitz got out of her car, Meehan approached Heitz and stared at her in silence. After a few seconds, Meehan turned, climbed over a nearby fence, stared at the scene again, and then walked away. Nothing was ever heard from her again. 
After the incident, thousands of sightings of Meehan were reported: she was either traveling with supporters or eating cautiously with the diners. These sightings were reportedly all in the states of Montana and Washington. It turned out that Meehan had suffered depression and odd jobs before disappearing from a ranch in Montana.
In connection with police efforts, Meehan's family started a personal search for Patricia. The family distributed 2,000 flyers with missing people and used horses and a helicopter to search rough terrain. Despite these great efforts, Patricia Meehan is still missing.
8 Mayumi Arashi
27-year-old Mayumi Arashi left her home in Tokyo on September 2, 1994, after telling her sister Yoko that she wanted to meet a friend. When Mayumi didn't return until September 3rd, Yoko called this friend to find out where her sister was. The friend said that the day before, she had no plans to meet Mayumi.
Later that day, a note was found in Yoko's closet. The note read: “I went out with A, but was betrayed. [ . . . ] I'm sorry. "At the end of the note was A.'s telephone number.
Yoko dialed the number and spoke to" A ". He said he had met with Mayumi the previous day. When Mayumi was dead, he hoped that the punishment would be prison Yoko found a private investigator who had been following the movements of "A" for months, but the detective could only come back with the information that "A" had gone into the forest with two drinks on March 9, 1995. A police investigation of the area nothing came of it.
Years passed without a message from Mayumi. Yoko and her father finally did a television interview about Mayumi's disappearance. On a shelf behind the father there was a piece of paper stuck to the wood with the inscription: "Don't believe what Yoko says. " 
But despite this strange turn, Mayumi Arashi remains missing. There are no new clues as to what might have happened to her.
7 Hannah Upp  It doesn't often happen that a person disappears several times. However, this is exactly the case with Hannah Upp. She disappeared for the first time on August 28, 2008 after jogging on Riverside Drive near Hamilton Heights, where she lived.
Less than three weeks later, she was found swimming in the New York harbor. She couldn't remember how she got to the port or what happened in the weeks she missed. When tested in a hospital, Upp was diagnosed with a dissociative joint, a rare form of amnesia. This disorder means that those affected forget their own identity and can persist for years.
Upp disappeared again for two days in September 2013 and then on September 14, 2017, a week after Hurricane Irma in the Caribbean. At the time, she was working at a school in the Virgin Islands. 
On September 16, 2017, construction workers found their car on a beach. The vehicle contained clothes and their keys. On the same day, Hurricane Maria formed in the Atlantic and caused further devastation in the northeastern Caribbean.
Unfortunately Hannah was not found and is still missing.
6 Patrick Warren and David Spencer
After celebrating a great Christmas day with their families in 1996, best friends Patrick Warren (11) and David Spencer (13) spent the boxing day in their homes in Chelmsley lounging wood. In the afternoon, they played with a group of children in Meriden Park. When the two boys finally returned home, they asked their parents if they could visit one of Patrick's brothers that evening.
Patrick got on the new bike he got for Christmas and David went next to him. They reached the local gas station, where an attendant took them to a shopping center.
The next day, another of Patrick's brothers looked for the boys when it became known that they had never reached their destination the previous day. A lot later, Patrick's bike was found behind the gas station. The boys' faces were stuck on milk cartons to find them. 
It was only in 2003 that a suspect was arrested. However, the man was released without charge. Child killer Brian Field was also a suspect because he killed and raped a child in 1968 and detained two teenagers in 1986.
In 2006, the area where Field dumped garbage was searched in hopes that the boys would be left behind. The search was unsuccessful.
Patrick and David are still missing in early 2020. There is little hope that the case will ever be resolved.
5 Ireland's Vanishing Triangle
March 26, 1993, 26.- New York native Annie McCarrick was missing from Sandymount. She was last seen in front of a post office in Enniskerry. Her parents arrived after being contacted by her daughter's friends. The parents stayed in Ireland for six months while unsuccessfully looking for their daughter.
On July 25, 1993, 39-year-old Eva Brennan left her parents' house in Rathgar, but never returned to her apartment. After her father hadn't heard from his daughter for two days, he went to the exam. In Eva's apartment he found the jacket she had worn the day she disappeared. Eva was never seen again.
On January 3, 1994, 22-year-old Imelda Keenan informed her friend that she would go to the post office. She left her home in Waterford City at 1:30 p.m. The local doctor's secretary was the last person Keenan saw as she crossed a street in the city and appeared to be airborne.
On November 9, 1995, 21-year-old Josephine Dollard was discovered using a payphone in the Moone area of the Kildare. After ending the call, she was seen getting into a car with an unknown person. Dollard never made it back home.
On August 23, 1996, 25-year-old Fiona Pender disappeared after leaving her apartment in Tullamore. On February 13, 1997, 17-year-old Ciara Breen disappeared from her home in Dundalk. On February 8, 1998, 19-year-old Fiona Sinnott was missing after leaving a Broadway pub. On July 28, 1998, 18-year-old Deirdre Jacob disappeared just a few meters from her parents' home.
None of these young women were ever found. 
The tie that ties them together? They all disappeared into Ireland's disappearing triangle within the borders of Leinster. The police decided that the missing women were most likely to be murdered, and focused their investigation on convicted rapist Larry Murphy. In 2000, he was charged with rape and attempted murder.
When Murphy was in prison, disappearances suddenly stopped, giving the authorities even more reason to suspect him. Unfortunately, a lack of evidence and a clear rejection on Murphy's part means that he was never charged with disappearance. The fate of the disappeared is unknown.
4 Lauren Spierer
On June 3, 2011, 20-year-old Indiana University student Lauren Spierer spent an evening in a bar with a group of friends. Her friend Jesse Wolff had not come to her. But he texted her before finally going to bed.
Spierer left the Bloomington bar just before two-thirty. She was accompanied by a friend named Cory Rossman. Several witnesses who had seen Spierer at the bar claimed that she and Rossman were very drunk when they left.
Rossman and Spierer reached their apartment complex, but left shortly afterwards. They walked down an alley just before 3 a.m. They arrived in Rossman's apartment and his roommate Michael Beth accompanied the young man to his room.
Spierer refused to stay and said that she wanted to return to her own home. It ended up in Beth's neighbor Jay Rosenbaum's apartment. He claimed that Spierer left at 4:30 a.m. and last saw her when she was driving south on College Avenue.
Friend Jesse Wolff sent a text to Spierer a few hours later. However, he received an answer from a bar clerk that Spierer had forgotten her phone at the facility. Lauren Spierer was never seen again. 
In 2015, 22-year-old Hannah Wilson was murdered and deposited on a vacant lot 10 miles from the Bloomington campus after she was reported missing. Daniel Messel was indicted and convicted of the crime. The police investigated possible connections between Spierer's disappearance and Wilson's murder, but nothing came of their efforts. So far no suspects have been named and no new evidence has emerged.
3 Ben McDaniel
30-year-old diver Ben McDaniel dived in the underwater cave at Vortex Springs Tor on August 18, 2010, which excluded non-certified divers. Two Vortex Springs employees dived at the same time and noticed what McDaniel was doing. One of the men decided to let McDaniel into the cave to minimize the risk of hurting himself or accidentally drowning by getting stuck in the gate.
It took two days for an employee to find that McDaniels Truck had never left his parking lot the day he dived. Fearing that McDaniel had drowned, the employee immediately called the police. Recreational divers searched every possible corner of the cave, but came out empty-handed. An experienced diver came back with the news that Ben's stature made it impossible for him to be trapped deeper in the cave. 
McDaniel's parents offered each diver who would take his risk a $ 30,000 reward of his own life to go further into the depths of the cave to try to get their son Find. A diver may have accepted the challenge, although no one is safe. This diver was found dead in the cave.
Conspiracy theories started to fly. One claimed that McDaniel had faked his own death to avoid personal problems. Another claimed that someone murdered McDaniel and hid his body where it would be impossible to find him. According to other theories, McDaniel had drowned and his body was covered in sand, or he had previously killed himself and squeezed in a tight space to make sure no one could get him out.
Ben McDaniel remains missing and the truth of his disappearance is still evading his loved ones.
2 Anthonette Cayedito
On April 6, 1986, Penny Cayedito arrived at her home in Gallup, New Mexico, after a hard day's work. Her three daughters slept soundly and the babysitter left as soon as Penny got there. Penny still had some work to do in the house and didn't go to bed until around 3am.
She had hardly fallen asleep when there was a knock on the door. Penny didn't hear it. But her eldest daughter, Anthonette, did and went to open the door. Penny's two youngest daughters thought nothing of it and fell asleep immediately. When the family woke up later in the morning, nine-year-old Anthonette was gone. 
Penny immediately called the police and reported that their daughter was missing. One of Anthonette's sisters believed that her uncle might have been the one who knocked on the door. However, due to lack of evidence, he was soon excluded as a suspect.
Neighbors reported seeing a brown van outside the Cayedito residence and a man walking up to the house. The police never found this van. A whole year had passed without evidence when the police suddenly received a call from a young girl.
She informed the police that her name was Anthonette. She claimed to have been kidnapped and detained in Albuquerque. There was a male voice in the background asking, "Who said you could use the phone?" Then the line was cut. The police could not follow the call.
A few years later, a waitress in Carson City, Nevada contacted the police after a teenager left a note under her plate that said, "Help me! Call the police. “Even so, the police never found Anthonette. Penny Cayedito died in 1999 without seeing her daughter again. The case remains open.
1 Mikelle Biggs
On January 2, 1999, nine-year-old Kimber Biggs and 11-year-old Mikelle Biggs waited impatiently for an ice cream truck in front of their home in Mesa, Arizona, to arrive. Mikelle rode her younger sister's bike. Kimber felt very cold and told Mikelle that she would go inside. Kimber came back out 90 seconds later and saw her bike lying on the street with the front wheel spinning. There was no sign of Mikelle.
Within 30 minutes, more than 1,000 people walked the streets looking for Mikelle. But without witnesses or clues, the case quickly got cold. The only people interviewed were neighbors to the Biggses and Mikelle's own father, who was quickly freed from any suspicions.
Years passed without any signs of Mikelle. On March 14, 2018, a reporter called the police in Mesa. He told an official that a man had a dollar bill that said, "My name is Mikel Biggs. Kidnapped by Mesa. I live. “ 
Kimber Biggs was not convinced that the note was genuine because her sister's name had been misspelled. This was also a dead end.
From early 2020, Mikelle Biggs will still be missing. Her sister now has her own son and not a day goes by without hoping for Micelle's safe return and praying.